I considered acting an opportunity to express emotions—and I took advantage of every opportunity l got. It took me a long time to discover that restraint can be admirable. Restraint, however, does not mean lack of emotion. The thing that irks me is lack of emotion trying to pass for restraint. Lack of emotion is pathological; restraint is civilized.

"Leonard Nimoy's Confessions About His Emotions", TV And Movie Play magazine (1967)