Nature is not personal. She is the compound of all these processes which move through the universe to effect the results we know as Life and of all the ordinances which govern that universe and that make Life continuous. She is no more the Hebrew's Jehovah than she is the Physicist's Force; she is as much Providence as she is Electricity; she is not the Great Pattern any more than she is the Blind Chance.

Obsolete misleading theologies bear the same relation to the essence of true religion that scarlet fever, mumps, and measles do to education.

The time has come for honest men to denounce false teachers and attack false gods.

The secret of improved plant breeding, apart from scientific knowledge, is love.

I am an infidel. I know what an infidel is, and that's what I am.

If you violate Nature's laws you are your own prosecuting attorney, judge, jury, and hangman.

I have seen myself lose intolerance, narrowness, bigotry, complacence, pride and a whole bushel-basket of other intellectual vices through my contact with Nature and with men. And when you take weeds out of a garden it gives you room to grow flowers. So, every time I lost a little self-satisfaction, or arrogance, I could plant some broadness or love of my own in its place, and after a while the garden of my mind began to bloom and be fragrant and I found myself better equipped for my work and more useful to others as a consequence.