This life offers only a window of time and opportunity to work for the Lord. Youthfulness and old age both offer their own hindrances to service. In many ways, though not entirely, youth should be spent in learning, middle age in doing, and old age in teaching those who are learning and doing. Many of the greatest servants of the Lord found in scripture began their journey in youth by learning of the Lord and His ways (1 Kings 18:12; Psalm 71:5; 2 Chronicles 34:3; Job 29:4; Ecclesiastes 12:1). As they approached the prime of life, they invested their learning by serving the Lord (Numbers 8:24-25). As they passed their prime, they would pass their knowledge on to the next generation in hopes of the Lord’s work continuing and flourishing (2 Timothy 4:1-8)..
Unfortunately, some Christians have become convinced that old age serves as a sufficient excuse for a lack of service to the Lord’s work. Granted, the field of one’s service may change, but there should always remain a willingness to serve. For instance, Moses received his initial call to deliver Israel at forty years old (Acts 7:23) but did not lead God’s people out of Egypt until he was eighty (Exodus 7:7). When he died at 120 years of age, he remarked that “his eye was not dim, nor his natural force abated” (Deuteronomy 34:7). At forty years of age, Caleb received a promise from Moses concerning the possession of land in Canaan (Joshua 14:7-9). Forty-five years later, Caleb took possession by driving out the mighty Anakims (Joshua 14:10-12). Caleb did something in his old age that many of the young men could not or would not attempt (Joshua 17:13).
As we have previously studied, God is the believer’s source of joy. Specifically, God’s indwelling presence makes this an accessible virtue. The Lord indwells those who are saved and does so through the person of the Holy Ghost. It should, therefore, come as no surprise that the disciples who were filled with the Holy Ghost were also filled with joy. God identifies the nature of the kingdom of God as “righteousness, and peace, and joy in the Holy Ghost” (Romans 14:17). This is why the Bible includes joy and peace when it defines the ninefold fruit of the Spirit (Galatians 5:22). This is why the believers in Thessalonica received the word “with joy of the Holy Ghost” (1 Thessalonians 1:6). The more the Holy Ghost has control, the more joy from the Lord a man will experience.
