"The Greeks invented logic but were not fooled by it."

"We have rudiments of reverence for the human body, but we consider as nothing the rape of the human mind."

"The most gifted members of the human species are at their creative best when they cannot have their way, and must compensate for what they miss by realizing and cultivating their capacities and talents."

"Better a cruel truth than a comfortable delusion."

"Hierarchical institutions are like giant bulldozers-- obedient to the whim of any fool who takes the controls."

"Both oligarch and tyrant mistrust the people, and therefore deprive them of their arms."

"Great talents are the most lovely and often the most dangerous fruits on the tree of humanity. They hang upon the most slender twigs that are easily snapped off."

"The greatest and most important problems of life are all fundamentally insoluble. They can never be solved but only outgrown."

"The word happiness would lose its meaning if it were not balanced by sadness."

"Knowledge rests not upon truth alone, but upon error also."

"Own only what you can carry with you; know language, know countries, know people. Let your memory be your travel bag."

"Honesty is for the most part, less profitable than dishonesty."

"When men speak ill of thee, live so as nobody may believe them."

"Dignity does not consist in possessing honors, but in deserving them."

"Youth is easily deceived because it is quick to hope."

"Roam abroad in the world, and take thy fill of its enjoyments before the day shall come when thou must quit it for good."

"The absent are never without fault, nor the present without excuse."

"Write injuries in dust, benefits in marble."