Foreign words and phrases are not apropos.
Do not be redundant; do not use more words than necessary; it's highly superfluous.
And also, never, ever use repetitive redundancies.
Parenthetical remarks (however relevant) are (usually) unnecessary.
Be more or less specific.
Avoid cliches like the plague. They're old hat.
It is wrong to ever split an infinitive.
Prepositions are not words to end sentences with.
Experts agree that the best type of computer for your individual needs is one that comes on the market about two days after you actually purchase some other computer.
Lawyers: Can't live with them, can't die without them.