The major difference between rats and people is that rats learn from experience.

I will be dead in a few months. But it hasn't given me the slightest anxiety or worry. I always knew I was going to die.

Unable to understand how or why the person we see behaves as he does, we attribute his behavior to a person we cannot see, whose behavior we cannot explain either but about whom we are not inclined to ask questions.

Fame is also won at the expense of others. Even the well-deserved honors of the scientist or man of learning are unfair to many persons of equal achievements who get none. When one man gets a place in the sun, the others are put in a denser shade. From the point of view of the whole group there's no gain whatsoever, and perhaps a loss.

A scientist may not be sure of the answer, but he's often sure he can find one. And that's a condition which is clearly not enjoyed by philosophy.

Problem-solving typically involves the construction of discriminative stimuli

We admire people to the extent that we cannot explain what they do, and the word 'admire' then means 'marvel at.'