“Optimism is the madness of insisting that all is well when we are miserable”

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

“Don’t allow your mind to tell your heart what to do. The mind gives up easily”

“Focusing on one thing and doing it really, really well can get you very far”

“The only thing we have to fear is fear itself.”

“In three words I can sum up everything I've learned about life: it goes on.”

“If you're not stubborn, you'll give up on experiments too soon.”

“Success is not how high you have climbed, but how you make a positive difference to the world”

“Goals on the road to achievement cannot be achieved without discipline and consistency.”

“Habit is the best of all servants, or the worst of all masters.”

“When the eagles are silent, the parrots begin to jabber.”

“If you don't like something, change it. If you can't change it, change your attitude.”

“Wars are not won by fighting battles; wars are won by choosing battles”