The only real knowledge is self-knowledge.

I'm not afraid to fall because I know I'll get back up.

Men trust their ears less than their eyes.

The elegance of a proof is as important as its correctness.

南怀瑾：色一个字，不单是代表五蕴，连外面宇宙万有形形色色都包在内。……这内外两种色，都是因缘生，无自性，无实体，不可得，根本是性空。现下虽是幻有，毕竟不可得的，所以即色即空，并不是色之外另有个空。

如果你想理解功能，就研究结构。