The power of abstraction is that it allows us to reason about systems at a higher level, without getting bogged down in the details.

教育者的心必须是一团活生生的火焰，能够点燃年轻人灵魂的火焰。

It's not about how you look, it's about how you see yourself.

I consider myself a poet first and a musician second.

The love we give away is the only love we keep.