心理学必须基于直接经验，而非推论。

Truth is always to be found in simplicity, and not in the multiplicity and confusion of things.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Humanity's greatest enemy is itself.

The ultimate aim of artificial intelligence is to make computers do things that would require intelligence if done by humans.

Feelings are the subjective aspect of mental processes.

在数学中，你不理解事物。你只是习惯了它们。