For the price of intelligence as we now know it is chronic anxiety, anxiety which appears to increase—oddly enough—to the very degree that human life is subjected to intelligent organization.
We know that the Zanj (blacks) are the least intelligent and the least discerning of mankind, and the least capable of understanding the consequences of actions.
There can be no two opinions as to what a highbrow is. He is the man or woman of thoroughbred intelligence who rides his mind at a gallop across country in pursuit of an idea.
People really do like seeing their best friends humiliated; a large part of the friendship is based on humiliation; and that is an old truth,well known to all intelligent people.
There are three kinds of intelligence: one kind understands things for itself, the other appreciates what others can understand, the third understands neither for itself nor through others. This first kind is excellent, the second good, and the third kind useless.
For me, consciousness is the most interesting unsolved problem of science, and, in fact, we may never know what it is about a particular arrangement of neurons that gives rise to consciousness. Our consciousness, like the air we breathe or like the passage of time, is central to our existence as intelligent beings.
Finally, good sense is the body of poetic genius, fancy its drapery, motion its life, and imagination the soul that is everywhere and in each; and forms all into one graceful and intelligent whole.
Intelligence is a separate gift, for the benefit of students, so that they may think of themselves as intellectual and not very intelligent, or intelligent and not very intellectual. One hopes, of course, that they try to bring the two virtues, the two elements, into their lives at the same time.
It has always been my opinion since I first possessed such a thing as an opinion, that the man who knows only one subject is next tiresome to the man who knows no subject. Therefore, in the course of my life I have taught myself whatever I could, and although I am not an educated man, I am able, I am thankful to say, to have an intelligent interest in most things.