Genesis 18:13

Overview - Genesis 18
The Lord appears to Abraham, who entertains angels.
Sarah is reproved for laughing at the promise of a son.
16 The destruction of Sodom is revealed to Abraham.
23 Abraham makes intercession for the inhabitants.
Treasury of Scripture Knowledge

Genesis 18:13  (King James Version)
And the LORD said unto Abraham, Wherefore did Sarah laugh, saying, Shall I of a surety bear a child, which am old?

John 2:25