The more tranquil a man becomes, the greater is his success, his influence, his power for good. Calmness of mind is one of the beautiful jewels of wisdom.
~ James Allen

Like water, we are truest to our nature in repose.
~ Cyril Connolly

You must learn to be still in the midst of activity and to be vibrantly alive in repose.
~ Indira Gandhi

There is no such thing as perpetual tranquillity of mind while we live here; because life itself is but motion, and can never be without desire, nor without fear, no more than without sense.
~ Thomas Hobbes

Tranquility is the old man's milk.
~ Thomas Jefferson