You must be prepared to work always without applause.

Never soar aloft on an enemy's pinions.

One should work to his last breath. Idleness should always be avoided.

Strategy can therefore never take its hand from the work for a moment.

Measure not the work until the day's out and the labor done.

If you're in a hole, don't dig, they say.

Never pass by a chance to shut up.

Don't ever give up precaution and farsightedness before attempting any work, and remember the result of negligence and nonchalance.

No second chances at a single moment.

Never talk when you can nod and never nod when you can wink and never write an e-mail, because it's death. You're giving prosecutors all the evidence we need.

Never hurry. Do everything quietly.

When you jump for joy, beware that no one moves the ground from beneath your feet.

When you jump for joy, beware that no one moves the ground from beneath your feet.

The author must keep his mouth shut when his work starts to speak.