"In the midst of winter, I found there was, within me, an invincible summer."

The pursuit of mathematical knowledge is a journey that never ends.

The beauty of physics lies in its ability to explain the universe with a few simple principles.

Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.

做人就是未完成，永远在成为。

大多数人过于专注于如何过上成功的生活，而忽视了如何过上有意义的生活。