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.
All human action is expressive; a gesture is an intentionally expressive action. All art is expressive - of its author and of the situation in which he works - but some art is intended to move us through visual gestures that transmit, and perhaps give release to, emotions and emotionally charged messages. Such art is expressionist.