The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.

But there is no such liberty as the power to dispose of what we please.

The study of mind is the study of life's problem-solving.

I make music for the people who believe in me.

我认为数学之所以有价值，是因为它具有这种令人难以置信的结构，你可以探索和发现。