多元化不仅仅是一种策略，它是一种必要。

真正的道路是沿着一条绳子，它不是悬在高处，而是紧贴地面。它似乎更多是为了让人绊倒，而不是让人行走。

I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.

历史不仅仅是关于国王和战争——它是关于那些经历过它的人们。