The greatest discovery of all time is that a person can chan... - Alfred Adler

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

Alfred Adler Change

Psychologist Austrian 1870–1937

More from Alfred Adler

"Courage is not the absence of fear, but rather assessment that something else is more important than fear."

"The greatest invention is imagination."

"We are not determined by our heredity and environment; we make ourselves."

"Everybody can be significant, because everybody can serve."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."