Have a definite opinion.
William Safire

I think we all have a need to know what we do not need to know.
William Safire

If you re-read your work, you can find on re-reading a great deal of repetition can be avoided by re-reading and editing.
William Safire

Is sloppiness in speech caused by ignorance or apathy? I don't know and I don't care.
William Safire

Knowing how things work is the basis for appreciation, and is thus a source of civilized delight.
William Safire

Last, but not least, avoid cliches like the plague.
William Safire

Never assume the obvious is true.
William Safire

The right to do something does not mean that doing it is right.
William Safire