我已经学会通过限制我的欲望来追求幸福，而不是试图满足它们。
I have learned to seek my happiness by limiting my desires， rather than in attempting to satisfy them.
成功在于享受过程，而不仅仅是结果。
The world is full of stories, waiting to be told.
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。