Habit is habit, and not to be flung out of the window by any man, but coaxed downstairs a step at a time.

群星不会因为像萤火虫而怯於出现。

你承受的痛苦越多，就越能享受成功的喜悦。

To create is to live twice.

The language of mathematics is universal, transcending cultural and linguistic barriers.