自由不是一种状态，而是一种态度。

质量不是职位；它是一种实践。

It is by no means an irrational fancy that， in a future existence， we shall look upon what we think our present existence， as a dream.

我通过对真理的热爱，从确定性的安全舒适中挣脱出来；而真理也回报了我。