真相不在光明中，而在我们不敢探索的阴影里。
"Truth is not found in the light, but in the shadows we're afraid to explore."
Making something is really hard. You have to care about it so much that you will push through all the disappointments and frustrations.
真正的喜悦精神、崇高感、超越人类的感觉，这是最高卓越的试金石，在数学中同样可以在诗歌中找到。