Revolutions are the periods of history when individuals count most. Norman Mailer
PEACE, n. In international affairs, a period of cheating between two periods of fighting. Ambrose Bierce
America has entered one of its periods of historic madness, but this is the worst I can remember. John le Carré
In the sphere of thought, absurdity and perversity remain the masters of the world, and their dominion is suspended only for brief periods. Arthur Schopenhauer
It is in the admission of ignorance and the admission of uncertainty that there is a hope for the continuous motion of human beings in some direction that doesn't get confined, permanently blocked, as it has so many times before in various periods in the history of man. Richard Feynman
History has not dealt kindly with the aftermath of protracted periods of low risk premiums. Alan Greenspan