If I limit myself to knowledge that I consider true beyond doubt, I minimize the risk of error but I maximize, at the same time, the risk of missing out on what may be the subtlest, most important and most rewarding things in life.

An attitude to life which seeks fulfillment in the single-minded pursuit of wealth - in short, materialism - does not fit into this world, because it contains within itself no limiting principle, while the environment in which it is placed is strictly limited.

Modern man talks of a battle with nature, forgetting that, if he won the battle, he would find himself on the losing side

Anything that we can destroy, but are unable to make is, in a sense, sacred, and all our 'explanations' of it do not explain anything.

It might be said that it is the ideal of the employer to have production without employees and the ideal of the employee is to have income without work.

Modern economic thinking...is peculiarly unable to consider the long term and to appreciate man's dependence on the natural world.

Our ordinary mind always tries to persuade us that we are nothing but acorns and that our greatest happiness will be to become bigger, fatter, shinier acorns; but that is of interest only to pigs. Our faith gives us knowledge of something better: that we can become oak trees.