我不后悔做过的事,只后悔没做的事。
I don't regret the things I've done, I regret the things I didn't do.
想象力比知识更重要。知识是有限的,而想象力则包围着整个世界。
The only way to learn mathematics is to do mathematics.
The fundamental 'formula' of Gestalt theory might be expressed in this way: There are wholes, the behavior of which is not determined by that of their individual elements, but where the part-processes are themselves determined by the intrinsic nature of the whole.