You don't have to see the whole staircase, just take the first step.

If I wish to compose or write or pray or preach well, I must be angry. Then all the blood in my veins is stirred, and my understanding is sharpened.

Shallow understanding from people of good will is more frustrating than absolute misunderstanding from people of ill will.

The function of education is to teach one to think intensively and to think critically. Intelligence plus character - that is the goal of true education.

No honest writer today can possibly avoid being influenced by Freud through his pioneering work into the Unconscious and by the influence of those discoveries on the scientific, philosophic, and artistic work of his contemporaries: but not, by any means, necessarily through Freud's own writing.

I got to spend all of my time every day at work reading and editing papers about cutting-edge technical research and getting paid for it. Then I'd go home at night and turn what I learned into science fiction stories.

Medicine is not only a science; it is also an art. It does not consist of compounding pills and plasters; it deals with the very processes of life, which must be understood before they may be guided.

Scientific thought, then, is not momentary; it is not a static instance; it is a process.