逻辑学研究不仅仅是关于形式系统，更是关于人类推理的本质。

"The past is a puzzle, and the historian is the person who tries to put the pieces together."

"A good story is like a mirror that reflects the hidden corners of our souls."

无论未来如何，我都会继续唱下去。

The great walks with the small without fear. The middling keeps aloof.

金钱不是唯一的答案，但它的作用非常可观。

自守表示的研究是数学知识统一性的反映。