Principles-and I have in mind such principles as states' rights or national sovereignty or the free market or pacifism-have a way of drying up while the sap of life goes flowing in another direction.
A world technology means either a world government or world suicide.
When you choose the lesser of two evils, always remember that it is still an evil.
It is almost as easy to be enervated by triumph as by defeat.
When you are seventeen you aren't really serious.
Man must be at once more humble and more confident; more humble in the face of destructive potentials of what he can achieve, more confident of his own humanity as against computers and robots which are only engines to simulate him.