"力量并非来自体能而是来自不屈不挠的意志"

“If you're not stubborn, you'll give up on experiments too soon.”

“I know this world is cold and deceiving but I keep my head up like my nose is bleeding”

“Happiness depends upon ourselves.”

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

“Be brave. Take risks. Nothing can substitute experience.”

“What you seek is seeking you”

“You never fail until you stop trying.”

“There's nothing I despise more than people trying to be something they're not”

“We don't stop playing because we grow old; we grow old because we stop playing.”

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

“Failure is an option here. If things are not failing, you are not innovating enough.”

“Goals are the fuel in the furnace of achievement.”