Problems will always torment us because all important problems are insoluble: that is why they are important. The good comes from the continuing struggle to try and solve them, not from the vain hope of their solution.

I don't think I have made as much of my life as I should have. I should have written more books.

The passion for tidiness is the historian's occupational disease.

The first rule of democracy is to distrust all leaders who begin to believe their own publicity.

Television has spread the habit of instant reaction and stimulated the hope of instant results.

Excellence is the eternal quest. We achieve it by living up to our highest intellectual standards and our finest moral intuitions. In seeking excellence, take life seriously-but never yourself!

The genius of impeachment lay in the fact that it could punish the man without punishing the office.