"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."

The true value of a mathematical theory lies in its ability to connect seemingly unrelated ideas.

I have learned to seek my happiness by limiting my desires， rather than in attempting to satisfy them.

The universe is expanding, and the expansion is accelerating.

你必须承担个人责任。你无法改变环境、季节或风向，但你可以改变自己。

小说家的任务不是告诉读者世界是什么样子，而是让读者看到世界可能是什么样子。

The organism has one basic tendency and striving—to actualize, maintain, and enhance the experiencing organism.