God: Genesis 17:17, Genesis 18:12-15; 1 Samuel 1:26-28, 1 Samuel 2:1-10; Psalms 113:9, Psalms 126:2; Isaiah 49:15, Isaiah 49:21; Isaiah 54:1; Luke 1:46-55; John 16:21-22; Galatians 4:27-28; Hebrews 11:11
to laugh: Sarah most likely remembered the circumstance mentioned in Genesis 18:12; and also the name Isaac, which implies laughter.
will laugh: Luke 1:14, Luke 1:58; Romans 12:15