Remember happiness doesn't depend upon who you are or what you have; it depends solely on what you think.

You never achieve success unless you like what you are doing.

Flaming enthusiasm, backed up by horse sense and persistence, is the quality that most frequently makes for success.

Look your audience straight in the eyes, and begin to talk as if every one of them owed you money.

Neither you nor I nor Einstein nor the Supreme Court of the United States is brilliant enough to reach an intelligent decision on any problem without first getting the facts

When Theodore Roosevelt was in the White House, he confessed that if he could be right 75 percent of the time, he would reach the highest measure of his expectation. . . . If that was the highest rating that one of the most distinguished men of the twentieth century could hope to obtain, what about you and me?

The best argument is that which seems merely an explanation.