Genesis 18:13

“And the Lord said unto Abraham, Wherefore did Sarah laugh, saying, Shall I of a surety bear a child, which am old?”

Genesis 18:15

“Then Sarah denied, saying, I laughed not; for she was afraid. And he said, Nay; but thou didst laugh.”

Genesis 21:6

“And Sarah said, God hath made me to laugh, so that all that hear will laugh with me.”

Genesis 21:9

“And Sarah saw the son of Hagar the Egyptian, which she had born unto Abraham, mocking.”

Genesis 26:8

“And it came to pass, when he had been there a long time, that Abimelech king of the Philistines looked out at a window, ...”