The best designs are those that solve problems elegantly without drawing attention to themselves.

The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?

我们必须重视儿童心理发展期间的生理活动与动作。

Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied.

老鼠和人之间的唯一区别是老鼠会从经验中学习。

成功不在于目的地，而在于旅程。