"به دنبال دانش بودن به گمان من قابل تحسین‌ترین ویژگی انسانی است"

“In all affairs it's a healthy thing now and then to hang a question mark on the things you...”

“Without civic morality communities perish; without personal morality their survival has no value.”

“Everything is vague to a degree you do not realize till you have tried to make it precise.”

“The trouble with the world is that the stupid are cocksure while the intelligent are full of doubt.”

“The fear of death follows from the fear of life. A man who lives fully is prepared to die ...”

“Take time to deliberate, but when the time for action comes, stop thinking and go in.”

“Difficulties break some men but make others”

“Believe you can and you're halfway there.”

“When something bad happens, you have three choices. You can either let it define you, let ...”

“In any moment of decision, the best thing you can do is the right thing. The worst thing y...”

“Life is like riding a bicycle. To keep your balance, you must keep moving.”

“To forgive the terrorists is up to God, but to send them to him is up to me.”

“Believe you can and you're halfway there”

“Your beliefs become your thoughts, Your thoughts become your words, Your words become your...”

“One day, in retrospect, the years of struggle will strike you as the most beautiful.”

“In the end, we will remember not the words of our enemies, but the silence of our friends.”