吾尝终日不食，终夜不寝，以思，无益，不如学也。
我曾经整天不吃饭，整夜不睡觉，去苦苦思索，结果没有益处，还不如去学习。
Love is the only language everyone understands without translation.
每一个心理行为都在生活的经济中有其位置。
The supreme question about a work of art is out of how deep a life does it spring.
Fear can hold you prisoner. Hope can set you free.
To understand computation is to understand the language of the universe, for it is through computation that we model and predict the natural world.