There is no greater sorrow than to recall happiness in times of misery.

Mathematics is not just a human invention; it has a deep reality that exists independently of us.

拥有美好一天的唯一方法是以积极的态度开始它。

"Writing is a way to make sense of the chaos."

真正的艺术品包含着自己的美学理论，并提出了让人们藉以判断其优劣的标准。