"Freedom is what you do with what’s been done to you."

"Science is organized knowledge. Wisdom is organized life."

"He who has a why to live can bear almost any how."

"Real knowledge is to know the extent of one’s ignorance."

"Knowing yourself is the beginning of all wisdom."

"The greatest wealth is to live content with little."

"The only true wisdom is in knowing you know nothing."

"Push yourself because no one else is going to do it for you."

"Your attitude, not your aptitude, will determine your altitude."

"I can accept failure, everyone fails at something. But I can’t accept not trying."

"Strength does not come from winning. Your struggles develop your strengths."

"You miss 100 percent of the shots you don’t take."

"If you spend too much time thinking about a thing, you’ll never get it done."

"Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time."

"He who thinks he can and he who thinks he can’t are both usually right."

"When everything seems to be going against you, remember that the airplane takes off against the wind, not with it."

"Don’t count the days, make the days count."

"The only way to do great work is to love what you do."

"I never lose. I either win or learn."

"You must do the things you think you cannot do."

"Shoot for the moon. Even if you miss, you’ll land among the stars."

"It is in your moments of decision that your destiny is shaped."