Now there is one outstanding important fact regarding spaceship earth, and that is that no instruction book came with it.

Children will draw pictures with everything in them...houses and trees and people and animals...and the sun AND the moon. Grown-up says, "That's a nice picture, Honey, but you put the moon and the sun in the sky at the same time and that isn't right." But the child is right! The sun and moon are in the sky at the same time.

I am deeply impressed with the designer of the universe; I am confident I couldnt have done anywhere near such a good job.

There is an inherently minimum set of essential concepts and current information, cognizance of which could lead to our operating our planet Earth to the lasting satisfaction and health of all humanity.

Thou mayest as well expect to grow stronger by always eating as wiser by always reading. Too much overcharges Nature, and turns more into disease than nourishment. 'Tis thought and digestion which makes books serviceable, and give health and vigor to the mind.

It is essential that anyone reading this book know at the outset that the author is apolitical. I was convinced in 1927 that humanity's most fundamental survival problems could never be solved by politics.

The explicable requires the inexplicable. Experience requires the nonexperienceable. The obvious requires the mystical.