No generalization is wholly true—not even this one.

Carve every word before you let it fall.

My right to swing my fist ends where your nose begins.

Imitation is a necessity of human nature.

In my opinion, economists and sociologists are the people to whom we ought to turn more than we do for instruction in the grounds and foundations of all rational decisions.

Research and writing are lonely occupations. It is easy to become discouraged in solitary confinement.

Be willing to commit yourself to a course, perhaps a long and hard one, without being able to foresee exactly where you will come out.