Quote by Friedrich Nietzsche

“Instinct is a makeshift, an admission of helplessness before the problem of reality.”

— Leo Frobenius

“Rationalization is foreplay with one's conscience.”

— Doug Cooper

“The willingness to change one’s mind in the light of new evidence is a sign of rationality not weakness.”

— Stuart Sutherland

“if people begin by thinking rationally, the danger is that they may end by acting rationally also.”

— Grant Allen

“Instinct is ourguide; a guide which leads to our fall.”

— Raymond Radiguet

“For emotion is the enemy of rational argument.”

— Steven D. Levitt

“No one has yet determined the power of the human species . . . what it may perform by instinct, and what it may…

— Brian Herbert

“Our instinctive apparatus consists of two parts- the one tending to further our own life and that of our descendants, the other tending to…

— Bertrand Russell

“It is impossible to overlook the extent to which civilization is built up upon a renunciation of instinct....”

— Sigmund Freud

“What we call rational grounds for our beliefs are often extremely irrational attempts to justify our instincts.”

— Thomas Henry Huxley

“As we throw ourselves into raw actions, our senses and instincts will rapidly be honed again”

— Andrew S. Grove

“An Ego Mind is a destructive mind and a rational mind is a peaceful mind.”

— Charleston Parker