If you do something once, people will call it an accident. If you do it twice, they call it a coincidence. But do it a third time and you've just proven a natural law.
如果你做了一次，人们会称之为意外。如果你做了两次，他们会称之为巧合。但如果你做了三次，你就证明了一个自然法则。
我们能体验到的最美丽的事物是神秘。它是所有真正艺术和科学的源泉。
适应力是在变化的世界中蓬勃发展的关键。
To understand behavior, we must look at its purpose in the context of survival and adaptation.