The will to learn is an intrinsic motive, one that finds both its source and its reward in its own exercise.

The brain is still forming in our 20s, which means it's more open to change.

The mind is not a mirror of the world, but an instrument for dealing with it.

应对不自由世界的唯一方法就是变得绝对自由，以至于你的存在本身就是一种反叛。