The desire for recognition, the thymotic part of the soul, cannot be satisfied by economic activity alone.
真正的幸福是自己找到的。
在观测天文学中，耐心是关键，有些发现需要几十年才能确认。
文学是人类的记忆。
史记
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
庭院虽小，自有赏心乐事；六经之外，更加无奇特之书。
The essence of mathematics lies in its freedom.