PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。
Darkness cannot drive out darkness: only light can do that. Hate cannot drive out hate: only love can do that.
生活中所有最重要的收益——财富、关系或知识——都来自复利可以放大稳定微小收益的魔法。你只需不断稳定地净增1%,就可以达到富足。
The future of mining lies in innovation and responsible resource management.
写好文章的唯一方法就是先写糟糕的文章。