"War is a matter of vital importance to the State; the province of life or death; the road to survival or ruin. It is mandatory that it be thoroughly studied."

"The only tyrant I accept in this world is the still voice within."

"It is now quite lawful for a Catholic woman to avoid pregnancy by a resort to mathematics, though she is still forbidden to resort to physics or chemistry."

"All truly wise thoughts have been thoughts already thousands of times; but to make them truly ours, we must think them over again honestly, till they take root in our personal experience."

"I have but one lamp by which my feet are guided, and that is the lamp of experience. I know no way of judging the future but by the past."

"My sense of God is my sense of wonder about the Universe."

"Clearly, a civilization that feels guilty for everything it is and does will lack the energy and conviction to defend itself."

"And the wild regrets, and the bloody sweats, None knew so well as I: For he who lives more lives than one More deaths than one must die."

"A man never reaches that dizzy height of wisdom that he can no longer be led by the nose."

"If you look for the positive things in life; you will find them."