我们都是自己人生不可靠的叙述者。
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。
保守主义就是偏爱熟悉而非陌生,偏爱经过尝试而非未经尝试,偏爱事实而非神秘,偏爱实际而非可能,偏爱有限而非无限,偏爱近处而非远方,偏爱足够而非过剩,偏爱便利而非完美,偏爱当下的欢笑而非乌托邦的幸福。
The best investments are often the ones that are the most boring.
Make up your mind to act decidedly and take the consequences. No good is ever done in this world by hesitation.  
The best way to predict the future is to create it.