艺术的挑战在于使不可见的东西变得可见。
The challenge of art is to make the invisible visible.
Focus on progress, not perfection.
真正吸引他人的只有两种人无所不知者，和一无所知者。
The challenge in computer science is not just to solve problems, but to understand why they are problems in the first place.
Either you repeat the same conventional doctrines everybody is saying, or else you say something true, and it will sound like it's from Neptune.
Today was good. Today was fun. Tomorrow is another one.