The foundation stones of a great building are destined to groan and be pressed upon; it is not for them to crown the edifice.

Even if we are spared destruction by war, our lives will have to change if we want to save life from self-destruction.

Every man always has handy a dozen glib little reasons why he is right not to sacrifice himself.

One drop of truth can outweigh an ocean of lies

A decline in courage may be the most striking feature that an outside observer notices in the West today. The Western world has lost its civic courage . . . . Such a decline in courage is particularly noticeable among the ruling and intellectual elite, causing an impression of a loss of courage by the entire society.

Freedom! To fill people's mailboxes, eyes, ears and brains with commercial rubbish against their will, television programs that are impossible to watch with a sense of coherence. Freedom! To force information on people, taking no account of their right not to accept it or their right of peace of mind. Freedom! To spit in the eyes and souls of passersby with advertisements.

All classifications in this world lack sharp boundaries, and all transitions are gradual.