理论计算机科学中的挑战不仅仅是解决问题，而是理解问题解决的本质。

The brain is a machine assembled not to understand itself, but to survive. It is a machine for making decisions that lead to survival.

The most glorious moments in your life are not the so-called days of success, but rather those days when out of dejection and despair you feel rise in you a challenge to life, and the promise of future accomplishment.

人类认知最好被理解为信息处理层次的层级结构。

I'm grateful for every challenge because it made me stronger.

悲伤不是一条线，让你无限远离失去。它是一个圆，你会一次又一次回到同一个地方。