The elegance of a mathematical proof is in its simplicity and clarity.
理论和实践的区别在于,理论上,理论和实践没有区别,但在实践中,却有区别。
唯有一件事可使人们集体陷入煽动性的骚乱,那即是压迫。
未来不是我们进入的东西,而是我们创造的东西。
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"?