“The greatest discovery of any generation is that a human can alter his life by altering his attitude.”

“The greatest discovery of my generation is that a human being can alter his life by altering his attitudes of mind.”

“The greatest discovery of any generation is that human beings can alter their lives by altering the attitudes of their minds.”

“The greatest revolution of our generation is the discovery that human beings by changing the inner attitudes of their minds, can change the outer aspects of their lives”

“Human beings, by changing the inner attitudes of their minds, can change the outer aspects of their lives.”

“Our life is what our thoughts make it. A man will find that as he alters his thoughts toward things and other people, things and other people will alter towards him. ”

“If we knew thoroughly the nervous system of Shakespeare . . . we should be able to show why . . . his hand came to trace on certain sheets of paper those crabbed little black marks which we . . . call the manuscript of Hamlet. We should understand the rationale of every erasure and alteration therein . . . without in the slightest degree acknowledging the existence of the thoughts in Shakespeare’s mind. The words and sentences would be taken, not as signs of anything beyond themselves, but as little outward facts, pure and simple.”