做出伟大工作的唯一途径就是热爱你所做的事。

"The past is always present in the present."

The best investment you can make is in your own abilities.

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.

我无法确定具体的时间、地点、表情或话语，是什么时候开始的。那是很久以前的事了。在我意识到之前，我已经深陷其中。