当没有人相信你时，你必须相信自己。

The young do not know enough to be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.

The best way to predict the future is to create it.

略知一点哲学可能使人倾向于无神论，但深刻的哲学可能使人回归到宗教。

对认知的研究需要经验方法和理论方法的结合。