Put three grains of sand inside a vast cathedral, and the cathedral will be more closely packed with sand than space is with stars.

Life exists in the universe only because the carbon atom possesses certain exceptional properties.

The universe begins to look more like a great thought than a great machine.

Psychology, unlike chemistry, unlike algebra, unlike literature, is an owner's manual for your own mind. It's a guide to life. What could be more important than grounding young people in the scientific information that they need to live happy, healthy, productive lives? To have good relationships?

I really don't think of myself as a science writer.

In teaching man, experimental science results in lessening his pride more and more by proving to him every day that primary causes, like the objective reality of things, will be hidden from him forever and that he can only know relations.

The science of the mind can only have for its proper goal the understanding of human nature by every human being, and through its use, brings peace to every human soul.