He was the very personification of punctiliousness and always displayed sublime imperturbability in exigencies of great moment.

PYRRHO, the father of the Greek sceptics, born in Elis, a contemporary of Aristotle; his doctrine was, that as we cannot know things as they are, only as they seem to be, we must be content to suspend our judgment on such matters and maintain a perfect imperturbability of soul if we would live to any good.

She had seen the last part of the drama in front of the village; and she was too frightened even to notice the curious imperturbability of her little son.