There is a quiet, open place in the depths of the mind, to which we can go many times in the day and lift up our soul in praise, thankfulness and conscious unity. With practise this God-ward turn of the mind becomes an almost constant direction, underlying all our other activities.

We make our tools, and then they shape us.

The concept of a value-free science is absurd.

... the fouling of the nest which has been typical of man's activity in the past on a local scale now seems to be extending to the whole world society.

The economy of the future might be called the "spaceman economy," in which the earth has become a single spaceship, without unlimited reservoirs of anything.

We are born to love, as we are born to breathe and eat and drink.

[on the theory of the firm] It is exactly analogous to the analysis of the reactions of a consumer by means of indifferent curves. Indeed, a consumer is merely a 'firm' whose product is 'utility.'