恐惧是迷信的主要根源之一，也是残忍的主要根源之一。征服恐惧是智慧的开始，无论是在追求真理还是在追求高尚生活方式的过程中。
Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.
安全不仅仅是一项政策，它是一种从高层开始的文化。
Curiosity is the driving force of science.
The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.
In itself, homosexuality is as limiting as heterosexuality: the ideal should be to be capable of loving a woman or a man; either, a human being, without feeling fear, restraint, or obligation.