The real world is the most abstract thing of all.

"The refusal to rest content, the willingness to risk excess on behalf of one's obsessions, is what distinguishes artists from entertainers."

Mining with integrity means leaving the land better than we found it.

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.

体育是每个男人和女人遗产的一部分，它的缺席永远无法得到弥补。

The study of black holes has led us to the edge of our understanding, where the known laws of physics break down and new theories must emerge.

唯一的限制是你为自己设定的限制。