力有所不能，圣人不以无可奈何者责人；心有所当尽，圣人不以无可奈何者自诿。
尽力而不能达到的，圣人不会苛责于人。应当尽心而未尽心，圣人不会推御责任。
The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
My greatest happiness is being able to move people with my singing.
The more you know about yourself, the more you can give to your characters.
光线渐暗，随之而来的是白天的温暖逐渐消失。
I don't write plays to be liked. I write plays to make people think.