None are so fallible as those who are sure they're right.

Rewrite and revise. Do not be afraid to seize what you have and cut it to ribbons ... Good writing means good revising.

The approach to style is by way of plainness, simplicity, orderliness, sincerity.

In exposition and in argument, the writer must likewise never lose his hold upon the concrete; and even when he is dealing with general principles, he must furnish particular instances of their application.

A sentence should contain no unnecessary words, a paragraph no unnecessary sentences, for the same reason that a drawing should have no unnecessary lines and a machine no unnecessary parts.

It is worse to be irresolute than to be wrong.

Make definite assertions. Avoid tame, colorless, hesitating, non-committal language.