"Equation (1.2-9) is a second order, nonlinear, vector, differential equation which has defied solution in its present form. It is here therefore we depart from the realities of nature to make some simplifying assumptions..."

"In a world where there is so much to be done. I felt strongly impressed that there must be something for me to do."

"Experience is that marvelous thing that enables you recognize a mistake when you make it again."

"Life is but a walking Shadow, a poor Player That struts and frets his Hour upon the Stage, And then is heard no more; It is a tall Tale, Told by an Idiot, full of Sound and Fury, Signifying nothing."

"Liberty means responsibility. That is why most men dread it."

"Nothing ever is done in this world until men are prepared to kill one another if it is not done."

"Decide what you want, decide what you are willing to exchange for it. Establish your priorities and go to work."

"The more things a man is ashamed of, the more respectable he is."

"I have realized that the past and future are real illusions, that they exist in the present, which is what there is and all there is."

"I would feel more optimistic about a bright future for man if he spent less time proving that he can outwit Nature and more time tasting her sweetness and respecting her seniority."

"The world of the commodity is a world updside-down, which bases itself not upon life but upon the transformation of life into work."

"A financier is a pawnbroker with imagination."

"An effective way to deal with predators is to taste terrible."

"Genius hath electric power which earth can never tame."

"You cannot depend on your eyes when your imagination is out of focus."

"Order, unity and continuity are human inventions just as truly as catalogues and encyclopedias."

"This is quite a three-pipe problem."

"Where do I find the time for not reading so many books?"