可能近似正确（PAC）学习的概念在计算学习理论中具有基础性意义。
The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.
当我29岁时，我告诉自己，无论下份工作薪水如何，我将从现在起，做一个职业演员。
Faith is the great cop-out, the great excuse to evade the need to think and evaluate evidence.
历史的终结将是一个非常悲伤的时刻。
否认进化史就是否认我们自己。
You can't please everyone, so don't try.
幸福不在于拥有什么，而在于享受什么。