The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

An adequate bootstrap is a contradiction in terms.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

译文：教育小孩子应当严厉对待，严厉的态度能平定孩子心中的浮躁之气；对待小人应当用敬待的态度，敬待的态度可以感化其心中的邪气，即使感化不了，也可使自己免于被其所害。

"I can resist everything except temptation."

【释义】认识的人很多，可彼此知心的没有几个。