The psychologist must avoid all teleological interpretations.

The joy of mathematics is in the struggle to understand.

简单是最终的复杂。

"The boundary between the quantum and classical worlds is not as clear as we once thought."

The truth is often found in the spaces between words.

Efficiency without sustainability is just a short-term win; true progress is measured in long-term impact.

古代著书立说的人，都有卓越的见解而自成一家，后世无法轻易改变。