数学的本质在于它的自由。
The essence of mathematics lies in its freedom.
That's one small step for (a) man, one giant leap for mankind.
你永远无法取悦所有人，所以不如做你自己。
最好的决策是那些既造福人类又保护地球的决策。
"You got to put the past behind you before you can move on." And I think that's what my running was all about.
女人的猜测比男人的确定要准确得多。
Home is wherever I'm with you.