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

"Our errors are not so much sins as they are diseases."

"The world is still in the making, and awaits our co-operation."

"No matter what you do, it will be insignificant, but it is very important that you do it."

"The true is the name for whatever proves itself to be good in the way of belief, and good, too, for definite assignable reasons."