The truth is rarely simple, and never whole.

你必须无畏地追求让你灵魂燃烧的东西。

The artist must be a servant of the unknown.

What we call National-Socialism is the poisonous perversion of German ideas.

在计算学习理论中，挑战不仅仅是学习，而是理解学习是如何可能的。