2 Bible Verses about Limitations Of Old People

For even before the twins were born, and therefore had not done anything good or bad, Rebecca was told [Gen. 25:23], "The older one [i.e., Esau] will serve the younger one [i.e., Jacob]." This was so that God's purpose of choosing and calling [whomever He wanted to] might prevail, instead of [it depending on] what a person did.

Nicodemus said to Him, "How can a man be born [again] after he is [already] old? He cannot enter his mother's womb a second time and be born, can he?"