关于神，我不知道他们是否存在，也不知道他们是什么样子。

Every morning upon waking, strive to be wiser than you were the day before.

自由并非存在于对自然法则的梦幻般的独立之中，而是存在于对这些法则的认知中，以及由此产生的有系统地使它们朝着明确目标发展的可能性中。

一个国家制度的品质是其成功的最重要决定因素。

The key to security is not to trust anyone, including yourself.

I have to be alone very often. I’d be quite happy if I spent from Saturday night until Monday morning alone in my apartment. That’s how I refuel.