“The love of life is necessary to the vigorous prosecution of any undertaking”

“The best thinking has been done in solitude The worst has been done in turmoil”

“When someone else's happiness is your happiness, that is love”

“Certain things in life simply have to be experienced and never explained. Love is such a thing.”

“Let your plans be dark and impenetrable as night, and when you move, fall like a thunderbolt.”

“If you've got an idea, start today. There's no better time than now to get going”

“Every failed experiment is one step closer to success.”

“Whenever you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and...”

“Be where your enemy is not.”

“Success is no accident”

“If you want to be the best, you have to do things that other people aren't willing to do.”

“Everyone seems to have a clear idea of how other people should lead their lives, but none ...”

“When your army has crossed the border, you should burn your boats and bridges, in order to...”