人类最美丽和最丑陋的倾向都不是固定生物本性的一部分，而是创造人类的社会过程的结果。
The most beautiful as well as the most ugly inclinations of man are not part of a fixed biologically given nature, but result from the social process which creates man.
The best way to predict the future is to invent it.
Scars have the strange power to remind us that our past is real.
让我们这本《大教学论》的主要目标如下：寻求并找到一种教学方法，使教师教得更少，但学生学得更多。
我们说的每一个词都承载着我们的历史和未来的希望。