30 Even youths shall faint and be weary, and [selected] young men shall feebly stumble and fall exhausted;

31 But those who wait for the Lord [who expect, look for, and hope in Him] shall change and renew their strength and power; they shall lift their wings and mount up [close to God] as eagles [mount up to the sun]; they shall run and not be weary, they shall walk and not faint or become tired.

Then Peter came to Jesus and asked, "Lord, how many times shall I forgive my brother when he sins against me? Up to seven times?" 22Jesus answered, "I tell you, not seven times, but seventy-seven times. "Therefore, the kingdom of heaven is like a king who wanted to settle accounts with his servants.

Matthew 18:21-22

Mark 13:32–33 (NLT): 32 “However, no one knows the day or hour when these things will happen, not even the angels in heaven or the Son himself. Only the Father knows. 33 And since you don’t know when that time will come, be on guard! Stay alert!