经验的直接内容是心理学必须考虑的唯一事实。

If liberty means anything at all, it means the right to tell people what they do not want to hear.

自守表示的研究是进入数学隐藏模式的旅程。

没有什么比一项未完成的任务永远悬在那里更令人疲惫的了。

Quality is not something you can add on to a product or service. It must be built in from the beginning.