Come Judgment Day, we may find that Mumbo Jumbo the God of t... - Robert A. Heinlein, Stranger in a Strange Land

"A desire not to butt into other people's business is at least eighty percent of all human wisdom."

"Love is that condition in which the happiness of another person is essential to your own."

"No matter what I said they insisted on thinking of God as something outside themselves. Something that yearns to take every indolent moron to His breast and comfort him. The notion that the effort has to be their own . . . and that the trouble they are in is all their own doing . . . is one that they can't or won't entertain."

"If you've got the truth you can demonstrate it. Talking doesn't prove it."

"But goodness alone is never enough. A hard, cold wisdom is required for goodness to accomplish good. Goodness without wisdom always accomplishes evil."