The greatest discovery of any generation is that a human can... - William James
"The greatest discovery of any generation is that a human can alter his life by altering his attitude."
"The greatest discovery of any generation is that a human can alter his life by altering his attitude."
"A great many people think they are thinking when they are merely rearranging their prejudices."
"Belief creates the actual fact."
"Belief creates the actual fact."
"we have to live today by what truth we can get today and be ready tomorrow to call it falsehood"
"The greatest discovery of my generation is that a human being can alter his life by altering his attitudes."