The poet is in command of his fantasy, while it is exactly the mark of the neurotic that he is possessed by his fantasy.

Welcome to President Bush, Mrs. Bush, and my fellow astronauts.

We must dare to think "unthinkable" thoughts. We must learn to explore all the options and possibilities that confront us in a complex and rapidly changing world. We must learn to welcome and not to fear the voices of dissent. We must dare to think about "unthinkable things" because when things become unthinkable, thinking stops and action becomes mindless.

Ridicule is generally made use of to laugh men out of virtue and good sense, by attacking everything praiseworthy in human life.

It behooves every man to remember that the work of the critic, is of altogether secondary importance, and that, in the end, progress is accomplished by the man who does things.

Art is never finished, only abandoned.

The finest eloquence is that which gets things done; the worst is that which delays them.

All of us who are concerned for peace and triumph of reason and justice must be keenly aware how small an influence reason and honest good will exert upon events in the political field.

By doubting we come at truth.

Conscience is the chamber of justice.