数学思想的美丽之处在于它可以跨越文化和时间被分享和理解。

Success is the best revenge for all the doubters.

"The best children's books are the ones that make children think."

There is no reason why good cannot triumph as often as evil. The triumph of anything is a matter of organization.

拥有再多的追忆，也永远比不上(对未来)抱著一点小小的希望。

The only way to understand life is to live it.

The best way to untangle a knotty tangle is not to “untie” the knots， but to keep pulling the loops apart wider and wider. Just make the mess as big， loose and open as possible. As you open up the knots they will unravel themselves. Works on cords， strings， hoses， yarns， or electronic cables.