It is not ignorance but knowledge which is the mother of wonder.

- Joseph Wood Krutch

To have passed through life and never experienced solitude is to have never known oneself. To have never known oneself is to have never known anyone.

- Joseph Wood Krutch

Cats seem to go on the principle that it never does any harm to ask for what you want.

- Joseph Wood Krutch

If people destroy something replaceable made by mankind, they are called vandals; if they destroy something irreplaceable made by God, they are calle…

- Joseph Wood Krutch

Logic is the art of going wrong with confidence.

- Joseph Wood Krutch

Whenever man forgets that man is an animal, the result is always to make him less humane.

- Joseph Wood Krutch

If we do not permit the earth to produce beauty and joy, it will in the end not produce food, either.

- Joseph Wood Krutch

Technology made large populations possible; large populations now make technology indispensable.

- Joseph Wood Krutch

The human mind can appreciate the One only by seeing it first in the Many.

- Joseph Wood Krutch