Sustainability: Managing Resources for the Long Term
To be sustainable means to avoid depletion of resources through responsible management, so that demand does not exceed supply or the capability to regenerate and be replenished.
What Sustainability Means
It is having a long-term approach that will ensure continuation into the future rather than a short-sighted, reckless and often selfish attitude that is not concerned with the consequences. The principle of sowing and reaping illustrates the concept of sensible preparation for the future.
Are my choices depleting or replenishing what God has entrusted to me?
God Himself models sustainability. He placed Adam in the garden to work it and take care of it (Gen 2:15), commanded a rhythm of work and rest so that neither people nor land would be exhausted (Ex 20:8-11), and directed Joseph to store up a fifth of the harvest in the years of plenty so that a nation would survive the famine (Gen 41:34-36). Whatever we hold is merely a trust from its true Owner, and stewards are simply required to be faithful (Ps 24:1; 1 Cor 4:2).
Sustainability in God's Work
The world's natural resources are habitually the focus of 'sustainability thinking' but the continuance of any venture and organisation also depends on many factors including the ongoing mentoring and training of replacement personnel. Jesus instructed His disciples in preparation for when He would physically leave them and gave them 'the great commission' which continues to apply to all believers (Mt 28:19-20).
Scripture shows the same pattern in the lives of God's servants: Moses prepared Joshua to lead (Num 27:18-23), Elijah passed his mantle to Elisha (1 Kgs 19:16,19-21), Paul taught Timothy, who was in turn to entrust the truth to reliable people who would teach others also – a deliberate four-generation chain of reproduction (2 Tim 2:2). The early church sustained its advance not through the labours of a gifted few but through every believer being taught, equipped and sent (Acts 2:42-47).
The same long-term approach shapes how help itself is given. The familiar saying puts it well: 'Give a man a fish and you feed him for a day; teach a man to fish and you feed him for a lifetime.' A hand-out relieves an immediate need, but a hand-up builds the capability that keeps meeting needs long after the giver has moved on. Jesus practised exactly this: He did not merely meet people's needs and leave, He called fishermen to follow Him so that He could make them 'fishers of men' (Mk 1:17), investing three years in training a small group who would then carry His work to the ends of the earth.
As Christ followers we are to replicate His example – John 13:15
The early church likewise cared for genuine needs while equipping every believer to serve (Eph 4:11-12), and Paul worked with his own hands so as not to burden anyone, holding up his example for others to copy (2 Thes 3:8-9). Compassion that only relieves symptoms must be repeated forever; compassion that equips people multiplies itself – and that is the difference between charity that sustains the giver's conscience and care that sustains the recipient's future.
Over the last several decades Christians in the Western world have to a large degree failed to maintain, let alone advance, the cause of Christianity with the number of believers in many countries rapidly on the decline. Much of the work that remains has been carried by ageing congregations with too few being raised up behind them. The ongoing need for discipleship and mentoring is therefore acute: believers do not grow or persevere by accident, but through the deliberate, relational investment of more mature Christians in those who come after them. Renewal begins where the biblical pattern is recovered: discipleship that multiplies rather than merely gathers, and leaders who train successors instead of guarding positions.
Forward Planning
Sustainability is not simply endurance but foresight – living today with tomorrow in view – and it involves intentional planning and preparation. Forward planning is an act of wisdom, not a lack of faith: the ant 'stores its provisions in summer and gathers its food at harvest' (Prov 6:8), and the prudent see danger and take refuge while the simple pass on and suffer for it (Prov 22:3). Scripture commends 'the plans of the diligent' which lead to abundance (Prov 21:5), while Jesus warned that no one builds a tower without first sitting down to count the cost (Lk 14:28).
Am I living for today only, or planning ahead for what God wants to continue tomorrow?
Thinking of the future also shapes what we do now. Moses was told to number his days so that he might gain a heart of wisdom (Ps 90:12), and the wise steward asks not only 'what will this cost me today?' but 'what will this leave for tomorrow?' – in resources, in people and in the work of God's kingdom. What we sow today is what we reap in years to come (Gal 6:7).
Avoiding Depletion in Our Own Lives
The reason for the emotional and physical burnout of many task-orientated people is that they do not delegate or pace themselves but deplete their reserves without adequate replenishment. Driven by the visible progress of the task, they treat every demand as theirs alone to meet: help is left unrequested, responsibilities that others could capably carry are absorbed, and rest is postponed until the task is finished – yet the tasks never are.
Whose help am I refusing by insisting on doing it all myself?
Energy, like every other resource, is finite. Drawn down faster than it is renewed, it eventually runs out, and the collapse that follows rarely announces itself in advance – it arrives suddenly, in emotion, body and spirit at once. Jethro warned Moses that 'what you are doing is not good' and told him to appoint capable men to share the load so that he could endure (Ex 18:17-18,21-22), and the apostles appointed deacons so that waiting on tables would not crowd out the ministry of the word (Acts 6:2-4). Delegation is not the avoidance of work but the multiplication of it, and pacing is not laziness but stewardship of the strength God supplies. Sustainable service follows the same sow-and-reap pattern that governs everything else: reserves continually replenished by rest, prayer and the shared labours of others (Gal 6:7).
God's answer to depletion is not greater effort but ordered rest. Even Jesus withdrew regularly to lonely places to pray (Lk 5:16), and told His busy disciples to come away and rest awhile (Mk 6:31). Rest is itself an act of faith – it declares that the world runs on God's sustaining word rather than our striving (Ps 127:2) – and those who wait on the Lord find their strength renewed instead of drained (Isa 40:31).
Am I pacing myself, or running on reserves God never meant me to spend?
Part of adequate replenishment is learning to receive input rather than only giving out all the time. Jesus' own ministry makes this clear: everything He gave flowed from what He first received. 'The Son can do nothing by Himself' (Jn 5:19); He rose early while it was still dark to pray (Mk 1:35) and listened for the Father's direction (Jn 12:49). Yet He also received from people – hospitality in Martha's home (Lk 10:38-42), financial support from women who followed Him (Lk 8:3), even the costly anointing of perfume which He defended as 'a beautiful thing' (Mk 14:6). If the Son of God would not give out without receiving, His servants cannot sustain a ministry of constant output on an empty tank.
Am I willing to receive, or have I made giving out my whole identity?
In the excitement of experiencing something fresh and invigorating there is a tendency to over-extend oneself in the initial period and then feel trapped when the drudgery of routine takes over, with the temptation to pull back and quit. Counting the cost before we build (Lk 14:28) and pacing our commitments within the margin God allows turns good beginnings into faithful endurance.
Reflection and Application
- Identify one resource God has entrusted to you – time, energy, money or people – and one practical way to replenish it rather than merely consume it.
- Ask God to show you whom you are mentoring or training to carry His work forward after you.
- Set aside time this month to plan ahead – pray and write down one step for each area of your life and ministry that prepares for the future rather than only responding to the present.
- Review your pace and workload, delegating one responsibility this week instead of absorbing it all, and when routine dulls the excitement of a new venture, choose faithfulness in the drudgery rather than pulling back and quitting.
See also: burnout, disciple/discipleship, environment, future, give up, great commission, hand-out/hand-up, input, mentor, post-Christian/Christianity, sow and reap.