Peace will not be preserved by pious sentiments.

There is no such thing as public opinion. There is only published opinion.

Death and sorrow will be the companions of our journey; hardship our garment; constancy and valor our only shield. We must be united, we must be undaunted, we must be inflexible.

Courage is rightly considered the foremost of the virtues, for upon it all others depend.

Why should there not be a European group which could give a sense of enlarged patriotism and common citizenship to the distracted peoples of this turbulent and mighty continent? And why should it not take its rightful place with other great groupings and help to shape the onward destinies of men?

Please put the ladybug outside without harming her. (to his butler)

It may be that ... when the advance of destructive weapons enables everyone to kill everybody else nobody will want to kill anyone at all. [Referring to the hydrogen bomb.]