If you're not failing occasionally, you're not pushing the boundaries enough.
如果你没有偶尔失败,说明你还没有足够地突破界限。
The past is a cupboard full of light and all you have to do is find the key that opens the door.
The only limit to our realization of tomorrow will be our doubts of today.
Mathematics is the art of giving the same name to different things.
The only way to understand painting is to look at it.