科学不仅仅是积累事实；它是关于理解背后的机制。
Science is not just about accumulating facts; it's about understanding the mechanisms behind them.
素描就是诚实。没有作弊的可能。画得好就是好，不好就是不好。
When you're depressed, It always helps to lean your head on your arm. Arms like to feel useful.
Art is not about answers, it's about questions.
We must be free not because we claim freedom, but because we practice it.