It is our attitude toward free thought and free expression that will determine our fate. There must be no limit on the range of temperate discussion, no limits on thought. No subject must be taboo. No censor must preside at our assemblies.

The Fifth Amendment is an old friend and a good friend, one of the great landmarks in men's struggle to be free of tyranny, to be decent and civilized.

When man ventures into the wilderness, climbs the ridges, and sleeps in the forest, he comes in close communion with his Creator. When man pits himself against the mountain, he taps inner springs of his strength. He comes to know himself.

Free speech is not to be regulated like diseased cattle and impure butter. The audience (in this case, the judge or the jury) that hissed yesterday may applaud today, even for the same performance.

The way to combat noxious ideas is with other ideas. The way to combat falsehoods is with truth.

Men need to know the elemental challenges that sea and mountains present. They need to know what it is to be alive and to survive when great storms come. They need to unlock the secrets of streams, lakes, and canyons and to find how these treasures are veritable storehouses of inspiration. They must experience the sense of mastery of adversity. They must find a peak or a ridge that they can reach under their own power alone.

We have a system which, though far from perfect, is strong with idealism. It gives elbow room for men of all races and all beliefs. It is vital and dynamic. And it works. We have the means of shaping the world in our pattern. If we do, freedom will be assured for all men. The decision is in the hands of this generation. It is a challenge to our political competence. For Western civilization it is the greatest challenge of all time.