人类认知存在着局限性。我们往往会根据有限的信息做出全盘的判断，这种倾向可能导致严重的误判。

Probability is determined both by the nature of our observations and by our conception of rationality.

In the end, it is not the years in your life that count, but the life in your years.

人类智力的发展都应该主要归功于欲望，而欲望能否被普遍满足要依靠智力的发展。

自由民主制度可能并不完美，但它是我们拥有的最好的制度。