A fairly bright boy is far more intelligent and far better company than the average adult.

— John B. S. Haldane

I have never yet met a healthy person who worried very much about his health, or a perfect person who worried much about his own soul.

— John B. S. Haldane

The wise man regulates his conduct by the theories both of religion and science. But he regards these theories not as statements of ultimate fact but as art-forms.

— John B. S. Haldane