Nothing’s lost forever. In this world, there’s a kind of painful progress. Longing for what we’ve left behind, and dreaming ahead.

The most profound ideas in mathematics often arise from the simplest observations.

Writing is a way of giving voice to the voiceless.

最危险的谎言不是对别人说的，而是对自己说的。

做人就是有罪。

认为世界上只有一种真理，而自己正掌握着它，在我看来这是世界上所有邪恶最深的根源。