The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.

The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.

我只是一个碰巧会唱歌的普通人。

科学的乐趣在于旅程，而不仅仅是终点。

Sustainability isn’t a trend; it’s a responsibility we owe to future generations.

"A good sermon is one side of a passionate conversation."