Friends are better than money. Almost anything money can do， friends can do better. In so many ways a friend with a boat is better than owning a boat.

史记

拒绝做算术的人注定会胡说八道。

The basis of shame is not some personal mistake of ours, but the ignominy, the humiliation we feel that we must be what others want us to be.

The great philosophers are those who have the courage to think for themselves.

Mathematics is the art of giving the same name to different things.

Sometimes, I think the reason we hold onto something so tight is because we fear something so great will never happen again.

The ladder of success is best climbed by stepping on the rungs of opportunity.

有时候，治愈的唯一方法是先原谅自己。