The greatest discovery of all time is that a person can chan... - John Locke

"The greatest discovery of all time is that a person can change his future by merely changing his attitude."

John Locke Change

Philosopher, Political Theorist English 1632–1704

More from John Locke

"Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours."

"All wealth is the product of labor."

"Freedom is not freedom to do what you like, but freedom to do what you ought."

"The great end of men's actions is some good."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."