All the green in the planted world consists of these whole, rounded chloroplasts wending their ways in water. If you analyze a molecule of chlorophyll itself, what you get is one hundred thirty-six atoms of hydrogen, carbon, oxygen, and nitrogen arranged in an exact and complex relationship around a central ring. At the ring's center is a single atom of magnesium. Now: If you remove the atom of magnesium and in its exact place put an atom of iron, you get a molecule of hemoglobin. The iron atom combines with all the other atoms to make red blood, the streaming red dots in the goldfish's tail.

The mind wants to live forever, or to learn a very good reason why not. The mind wants the world to return its love, or its awareness... The mind's sidekick, however, will settle for two eggs over easy. The dear, stupid body is easily satisfied as a spaniel. And, incredibly, the simple spaniel can lure the brawling mind to its dish. It is everlastingly funny that the proud, metaphysically ambitious mind will hush if you give it an egg.

If we listened to our intellect, we’d never have a love affair... or go into business. You’ve got to jump off cliffs and build your wings on the way down.

Caring passionately about something isn't against nature, and it isn't against human nature. It's what we're here to do.

I know only enough of God to want to worship him, by any means ready to hand.

Writing a book is like rearing children -- willpower has very little to do with it. If you have a little baby crying in the middle of the night, and if you depend only on willpower to get you out of bed to feed the baby, that baby will starve. You do it out of love.

Johnston's books are beautifully written and among the funniest I have ever read.