"To be hopeful in bad times is not just foolishly romantic. It is based on the fact that human history is a history not only of cruelty, but also of compassion, sacrifice, courage, kindness."

I mistrust reality, but I trust the painting.

解释：君子不因为天色昏暗而毁弃自己的行为举止。

损失让你变得勤奋，而不是利润。

道是神奇非凡的存在，灵妙而有本性，虚无而没有形象，无法预测其来去，也无法追寻其踪迹，不知其所以然而自然如此。

我们对月球表面的了解比对海底的了解还要多。

Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.

量子力学的本质在于它不描述单个粒子的行为，而是描述它们行为的概率。

The key to understanding cryptography is understanding that it's not just about keeping secrets, but about managing trust.