"如果你想成为一个真正寻求真理的人，就有必要在你的一生中至少一次尽可能怀疑一切。"

“One day you will wake up and there won’t be any more time to do the things you’ve alwa...”

“Stay true to the mission and remember to keep forging ahead”

“The best way of learning about anything is by doing.”

“Mistakes are inevitable, but it's how we respond to them that defines our character.”

“You only live once, but if you do it right, once is enough.”

“Most people do not really want freedom, because freedom involves responsibility, and most ...”

“It ain’t about how hard you hit. It’s about how hard you can get hit and keep moving forward”

“When you walk up to opportunities door, don’t knock it… Kick that b*tch in, smile and ...”

“Courage is not having the strength to go on; it is going on when you don't have the strength.”

“The more you know, the more you know you don't know.”

“I don’t count my sit-ups; I only start counting when it starts hurting because they’re...”

“I think a role model is a mentor – someone you see on a daily basis, and you learn from them.”