Where love is great, the littlest doubts are fear; where little fears grow great, great love grows there.
我一直觉得自己是个外国人，即使在自己的国家也是如此。
冒险应该是80%的规划和20%的纯粹大胆。
The art of education must be to bring the child to the point where he can educate himself.
Every mathematical problem has a solution; it's just a matter of finding the right perspective.
I'm not afraid of storms, for I'm learning how to sail my ship.