The inexpressible is the only thing that is worthwhile.

We want no dictatorship of physicists, as physicists. If our democracy is to realize its full promise, we want no dictatorship at all - of any species. What we want and need is the enlightened and active interest of all men of intelligence and goodwill in their government, and their participation in its functions.

Increasingly constructive doubt is the sign of advancing civilization. We must put question marks along many of our inherited legal dogmas, since they are dangerously out of line with social facts.

Every lawyer of experience comes to know (more or less unconsciously) that in the great majority of cases, the precedents are none too good as bases of prediction. Somehow or other, there are plenty of precedents to go around.

Increasingly constructive doubt is the sign of advancing civilization.

Only a very foolish lawyer will dare guess the outcome of a jury trial.

To vest a few fallible men — prosecutors, judges, jurors — with vast powers of literary or artistic censorship, to convert them into what J. S. Mill called a "moral police," is to make them despotic arbiters of literary products. If one day they ban mediocre books as obscene, another day they may do likewise to a work of genius.