没有人能在相当长的一段时间内，对自己戴一副面具，对众人戴另一副面具，而最终不困惑于哪一副才是真实的。
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized, where the dream of a world without classes is to be realized."
预测未来的最好方法就是创造未来。
我们总是高估未来两年内会发生的变化，而低估未来十年内会发生的变化。不要让自己被麻痹而无所作为。
成为一名演员就是成为人性的永久学生。