"当没有任何理由认为一个命题是真实的时候，相信它是不合适的。"

“Fear is the greatest obstacle to learning”

“I made a commitment to completely cut out drinking and anything that might hamper me from ...”

“Friends congratulate me after a quarterly-earnings announcement and say, 'Good job, great ...”

“I can choose either to be a victim of the world or an adventurer in search of treasure. It...”

“We are stubborn on vision. We are flexible on details.”

“The beginning is perhaps more difficult than anything else, but keep heart, it will turn o...”

“A child can teach an adult three things: to be happy for no reason, to always be busy with...”

“Let us not seek the Republican answer or the Democratic answer but the right answer”

“The ego is not master in its own house.”

“Life is not measured by the number of breaths we take, but by the moments that take our breath away.”

“You know you're in love when you can't fall asleep because reality is finally better than ...”

“The problem is not the problem. The problem is your attitude about the problem. Do you understand?”