表达人生聚散离合本是常态，不必在分别时过于伤感

人工智能中逻辑系统的研究不仅仅是形式化，更是理解推理的本质。

The world breaks everyone, and afterward, many are strong at the broken places.

一个科学家的真正价值是由他思想的独创性和信念的勇气来衡量的。

"The only thing that is real is the present moment."

Being powerful is like being a lady. If you have to tell people you are, you aren't.

释义：事物可能发生一次变化，而人则会经历无数次变化。如果想要不再变化，除非已故命终。