Periodic fasting can help clear up the mind and strengthen the body and the spirit.
Ezra Taft BensonPeriods of tranquillity are seldom prolific of creative achievement. Mankind has to be stirred up.
George SantayanaMy affiliation with England is borne out by the fact that I do come back for periodic visits.
George ShearingThe world has always gone through periods of madness so as to advance a bit on the road to reason.
Hermann BrochWonder is the heaviest element on the periodic table. Even a tiny fleck of it stops time.
Diane Ackerman