The promise of a son to Sarah made Abraham "laugh", a punning allusion to the name Isaac which appears again in other forms. Thus, it is Sarah herself who "laughs" at the idea, when Yahweh appears to Abraham at Mamre (xviii.
One sympathizes with their loves and hatreds, laughs over their comedies, and weeps over their tragedies.
Then her teacher calls her an incorrigible little sermonizer, and she laughs at herself.
He laughs at me for being unwilling to hurt anyone else, but he says no one should feel shame about who they are.
I am no more lonely than the loon in the pond that laughs so loud, or than Walden Pond itself.