"If you want to do anything, do it now, without compromise or concession, because you have only one life."

“The first duty of society is justice.”

“The social scientist is in a difficult, if not impossible position. On the one hand there is the temptation to see all of society as one's autobiography writ large, surely not the path to general truth. On the other hand, there is the attempt to be general and objective by pretending that one knows nothing about the experience of being human, forcing the investigator to pretend that people usually know and tell the truth about important issues, when we all know from our own lives how impossible that is.”

Source : "Sex, Lies, and Social Science". The New York Review of Books, www.nybooks.com. April 20, 1995.

“New ideas are not born in a conforming environment.”

“So use prosperity, that adversity may not abuse thee: if in the one, security admits no fears, in the other, despair will afford no hopes; he that in prosperity can foretell a danger can in adversity foresee deliverance.”

“Without a battle there is no victory.”

“I credit my collaborators for allowing me to grow. Without them I wouldn't have that opportunity.”

Source : Source: chicago.gopride.com

“Most people think that aging is irreversible and we know that there are mechanisms even in the human machinery that allow for the reversal of aging, through correction of diet, through anti-oxidants, through removal of toxins from the body, through exercise, through yoga and breathing techniques, and through meditation.”

“A revolution was never fought, throughout history, for ideals. Revolutions were fought for much more concrete things: food, clothes, housing, and to relieve intolerable oppression. … I know of no one, outside of Patrick Henry, willing to die for an abstraction.”

Source : "The Anarchist Cookbook". Book by William Powell, Chapter Two: "Electronics, Sabotage, and Surveillance", 1971.