Nearly all great civilizations that perished did so because they had crystallized, because they were incapable of adapting themselves to new conditions, new methods, new points of view. It is as though people would rather die than change.

Do not stop thinking of life as an adventure. You have no security unless you can live bravely, excitingly, imaginatively; unless you can choose a challenge instead of competence.

I think that if the atomic bomb did nothing more, it scared the people to the point where they realized that either they must do something about preventing war or there is a chance that there might be a morning when we would not wake up.

Too often the great decisions are originated and given form in bodies made up wholly of men, or so completely dominated by them that whatever of special value women have to offer is shunted aside without expression.

...so much attention is paid to the aggressive sins, such as violence and cruelty, and greed with all their tragic effects, that too little attention is paid to the passive sins, such as apathy and laziness, which in the long run can have a more devastating and destructive effect upon society than the others.

Develop a skin as thick as a rhinoceros hide!

I'm sure that all the drivers and motorcycle police had once been racing drivers and were eager to get back to that profession.