One would like to stroke and caress human beings, but one dares not do so, because they bite.

The only one who doesn't make mistakes is the one who doesn't do anything.

To picture world history as advancing smoothly and steadily without sometimes taking gigantic strides backward is undialectical, unscientific and theoretically wrong.

The war is relentless: it puts the alternative in a ruthless relief: either to perish, or to catch up with the advanced countries and outdistance them, too, in economic matters.

The government is tottering. We must deal it the death blow an any cost. To delay action is the same as death.

Sometimes quantity has a quality all its own.

Crime is a product of social excess.