“Pain is inevitable. Suffering is optional.”

“You can overcome anything, if and only if you love something enough”

“Luck is what happens when preparation meets opportunity”

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

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

“I would rather die of passion than of boredom.”

“You never fail until you stop trying.”

“I don't like that man. I must get to know him better.”

“Success is not the key to happiness Happiness is the key to success”

“He who is not contented with what he has, would not be contented with what he would like to have”

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

“Integrity is doing the right thing, even when no one is watching”

“No one can continually insult you or hurt your feelings without your permission.”