"Le temps est le seul critique sans ambition"

“Get busy living or get busy dying”

“Failure and invention are inseparable twins. To invent you have to experiment, and if you ...”

“When the outlook is bright, bring it before their eyes; but tell them nothing when the sit...”

“The journey of a thousand miles begins with a single step”

“Goals are the fuel in the furnace of achievement.”

“Stay humble in victory and gracious in defeat.”

“The great question that has never been answered, and which I have not yet been able to ans...”

“Mistakes are the portals of discovery”

“You make your own luck by working really hard and trying lots and lots of things”

“You are a function of what the whole universe is doing in the same way that a wave is a fu...”

“To expect the unexpected shows a thoroughly modern intellect.”

“The opportunity of defeating the enemy is provided by the enemy himself.”