Comment: Physical strength is an attribute of the young. The Bible says “the glory of young men is their strength”. (Proverbs 20:29) But the strength of the true worshipper is spiritual. He is therefore energetic and lively regardless of age as his spiritual and even physical strength is renewed by God like that of the eagles. (Psalm 103:5) It was by the power of God that David’s “mighty men”, some of whose exploits are stated in 2 Samuel 23: 8-39, were able to fight for the cause of righteousness. Samson was endowed with strength with which he rescued the Israelites from the hands of the Philistines several times. (Judges 15:14-16, etc.) What God requires of his people is faith, knowledge and understanding, and other spiritual qualities which “are profitable unto all things, having promise of the life that now is, and of that which is to come”. (1 Timothy 4:8) God declared through Jeremiah, “Thus saith the LORD, Let not the wise man glory in his wisdom, neither let the mighty man glory in his might, let not the rich man glory in his riches: But let him that glorieth glory in this, that he understandeth and knoweth me, that I am the LORD which exercise lovingkindness, judgment, and righteousness, in the earth: for in these things I delight, saith the LORD.” – Jeremiah 9:23, 24.