Every equation we write is a poem of the universe, a verse in the grand epic of existence.

To love beauty is to see light.

The clouds over the land now rose like mountains, and the coast was only a long green line with the gray blue hills behind it. The water was a dark blue now, so dark that it was almost purple.

用心最重要的是光明坦诚，外表最重要的是要正直沉稳，说话最重要的是要简洁真诚。