启蒙的概念与解放的概念紧密相连。

艺术的功能不仅仅是告诉你已经知道的东西。

If liberty means anything at all, it means the right to tell people what they do not want to hear.

After climbing a great hill, one only finds that there are many more hills to climb.

Every great engineering achievement starts with a clear vision.

最好的书是读完后仍长久留在你心中的书。

量子力学的发展表明，经典的空间和时间概念不足以描述原子世界。