When the dog is repeatedly teased with the sight of objects inducing salivary secretion from a distance, the reaction of the salivary glands grows weaker and weaker and finally drops to zero.

Never think that you already know all. However highly you are appraised, always have the courage to say to yourself-I am ignorant.

Don't become a mere recorder of facts, but try to penetrate the mystery of their origin.

Science demands from a man all his life. If you had two lives that would not be enough for you. Be passionate in your work and in your searching.

While you are experimenting, do not remain content with the surface of things.

Men are apt to be much more influenced by words than by the actual facts of the surrounding reality

Perfect as the wing of a bird may be, it will never enable the bird to fly if unsupported by the air. Facts are the air of science. Without them a man of science can never rise.

Appetite, craving for food, is a constant and powerful stimulator of the gastric glands.

It is still open to question whether psychology is a natural science, or whether it can be regarded as a science at all.

Perfect as the wing of a bird may be, it will never enable the bird to fly.

School yourself to demureness and patience. Learn to inure yourself to drudgery in science. Learn, compare, collect the facts.

Creativity is salve for the soul

It was as if life could be shown but never explained, and words - all the words that did not say things directly - were for him the most truthful.

The most honorable part of a network are the hubs, not the nodes that lead to nowhere.

You can't act like a skunk without someone's getting wind of it.

In my view, the operas of Carlisle Floyd will find a place in the permanent repertoire.

Victory has 1,000 fathers; defeat has 1,000 kibitzers.

How can great minds be produced in a country where the test of great minds is agreeing in the opinion of small minds?

Consider the average intelligence of the common man, then realize 50% are even stupider.

She sees ghosts,” said Samuel, impatient with my whining. I see dead people,” I deadpanned back. Oddly, it was Uncle Mike who laughed. I hadn’t thought he’d be a moviegoer.

I'm a better polemicist in prose.