---

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

---

Art is never finished, only abandoned.

---

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.

---

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

---

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.

---

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

---

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

---

There is no connection between the political ideas of our educated class and the deep places of the imagination.

---

There is a way in which the collective knowledge of mankind expresses itself, for the finite individual, through mere daily living... a way in which life itself is sheer knowing.

---

Human beings are perhaps never more frightening than when they are convinced beyond doubt that they are right.

---