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.

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.

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.

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.

You know you do not understand yourself if everyone seems to understand you.

Review our priorities, ask the question; what's the best use of our time right now?

When a well-packaged web of lies has been sold gradually to the masses over generations, the truth will seem utterly preposterous and its speaker a raving lunatic.

Life is precious, fragile, fleeting - and Murphy's life was one of my favorites.

I'm very attached to my family and protective of them and miss them, and that situation, my connection with that can make me become very vulnerable.

Talented people are restless at their core.

Our faith comes in moments; our vice is habitual.

I think that you can sort of have your own personal journey and you know, you can just kind of apply that to whatever characters you're playing.

Im writing what comes into my head, or through me, or from somewhere else, and it is the most extraordinary, exciting thing. I love it, and Im very greedy, and I really enjoy it!

I'm optimistic about people and about the planet and about nature. I think it's resilient, like people are.