每一吨开采的煤炭都应承载我们对未来的承诺
数学的力量来自于它的抽象和概括能力,将具体问题转化为普遍真理。
The PAC learning framework provides a formal way to quantify the learnability of a concept class.
I don't want to be perfect, I just want to be real.
成功不是终点,失败也不是致命的:重要的是继续前进的勇气。
In a state, the liberty of one citizen is a menace to the others.