It was all so very businesslike that one watched it fascinated. It was pork-making by machinery, pork-making by applied mathematics. And yet somehow the most matter-of-fact person could not help thinking of the hogs; they were so innocent, they came so very trustingly; and they were so very human in their protests - and so perfectly within their rights! They had done nothing to deserve it; and it was adding insult to injury, as the thing was done here, swinging them up in this cold-blooded, impersonal way, without pretence at apology, without the homage of a tear.

The old wanderlust had gotten into his blood, the joy of the unbound life, the joy of seeking, of hoping without limit.

You can't make somebody understand something if their salary depends upon them not understanding it.

You don't have to be satisfied with America as you find it. You can change it. I didn't like the way I found America some sixty years ago, and I've been trying to change it ever since.

It is foolish to be convinced without evidence, but it is equally foolish to refuse to be convinced by real evidence.

Human beings suffer agonies, and their sad fates become legends; poets write verses about them and playwrights compose dramas, and the remembrance of past grief becomes a source of present pleasure - such is the strange alchemy of the spirit.

It is difficult to get a man to understand something when his salary depends upon his not understanding it.