Thinking is the greatest torture in the world for most people.

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

As a scientist I cannot help feeling that all religions are on a tottering foundation. None is perfect or inspired. As for their prophets, there are as many today as ever before, only now science refuses to let them overstep the bounds of common sense.

Of course it must, and our scientific men must be criticized boldly. They will not feel comfortable when you and I are through with them.

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.

The lure of happiness and the fear of pain . . . are the two forces which have through untold millenniums kept what we usually call life from destruction by the ever encroaching outside forces of destruction.

Thinking is the greatest torture in the world for most people.