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

If we had paid no more attention to our plants than we have to our children, we would now be living in a jungle of weed.

Prayer may be elevating if combined with work, and they who labor with head, hands or feet have faith and are generally quite sure of an immediate and favorable reply.

Religion grows with the intelligence of man, but all religions of the past and probably all of the future will sooner or later become petrified forms instead of living helps to mankind. Until that time comes, however, if religion of any name or nature makes man more happy, comfortable, and able to live peaceably with his brothers, it is good.

All my work has come about through a change in my earlier opinion of religion.

As a scientist, I cannot help feeling that all religions are on a tottering foundation . . . I am an infidel today. I do not believe what had been served to me to believe. I am a doubter, a questioner, a skeptic. When it can be proved to me that there is immortality, that there is resurrection beyond the gates of death, then will I believe. Until then, no.

Heredity: the traits that a disobedient child gets from the other parent.