Modern industry seems to be inefficient to a degree that surpasses one's enduring powers of imagination. Its inefficiency therefore remains unnoticed.

Much of the economic decay of southeast Asia (as of many other parts of the world) is undoubtedly due to a heedless and shameful neglect of trees.

A way of life that ever more rapidly depletes the power of the Earth to sustain it and piles up ever more insoluble problems for each succeeding generation can only be called violent.

It is amazing how much theory we can do without when work actually begins.

The richer a society, the more impossible it becomes to do worthwhile things without immediate pay-off.

I'm not at all contemptuous of comforts, but they have their place and it is not first.

The way in which we experience and interpret the world obviously depends very much indeed on the kind of ideas that fill our minds. If they are mainly small, weak, superficial, and incoherent, life will appear insipid , uninteresting, petty and chaotic.