Words are the only thing that lasts forever.

千里之行，始于足下。

追求数学真理是一项崇高的努力。

The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.

I'm not afraid of loneliness because music accompanies me.

数学的美在于它允许我们从物理世界中抽象出来，专注于基本原理。