Genesis 18:13-14 And the LORD said unto Abraham, Wherefore did Sarah laugh, saying, Shall I of a surety bear a child, which am old? Is any thing too hard for the LORD? At the time appointed I will return unto thee, according to the time of life, and Sarah shall have a son.
Matthew 19:26 But Jesus beheld them, and said unto them, With men this is impossible; but with God all things are possible.
Psalm 89:1 I will sing of the mercies of the LORD for ever: with my mouth will I make known thy faithfulness to all generations.
Deuteronomy 7:9 Know therefore that the LORD thy God, he is God, the faithful God, which keepeth covenant and mercy with them that love him and keep his commandments to a thousand generations;