...everything in psychosocial evolution which can properly be called advance, or progress, or improvement, is due directionaly to the increase or improvement of knowledge.

Quantity of material production can only be a means to a further end, not an end in itself.

Evolution is nothing but matter become conscious of itself.

We are beginning to realize that even the most fortunate people are living far below capacity, and that most human beings develop not more than a small fraction of their potential mental and spiritual efficiency. The human race, in fact, is surrounded by a large area of unrealized possibilities, a challenge to the spirit of exploration.

Evolution: The Modern Synthesis.

If I am to be remembered, I hope it will not be primarily for my specialized scientific work, but as a generalist; one to whom, enlarging Terence's words, nothing human and nothing in external nature was alien.

We all know how the size of sums of money appears to vary in a remarkable way according as they are being paid in or paid out.