Upon the great questions of origin, of destiny, of immortality, of . . . other worlds, every honest man must say, 'I do not know.' Upon these questions, this is the creed of intelligence.
Robert Green IngersollDiderot took the ground that, if orthodox religion be true Christ was guilty of suicide. Having the power to defend himself he should have used it.
Robert Green IngersollAs long as a man lives he should study. Death alone has the right to dismiss the school.
Robert Green Ingersoll