An artist's job is to make the invisible visible.

Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.

难道你看不出一个充满痛苦与烦恼的世界对于磨练智慧、造就灵魂是多么必要吗？

数学的美在于它能够用一种超越文化和语言障碍的语言来描述宇宙。