- Be civil and truthful.
- Decline to reveal what you're not comfortable sharing.
- But be polite only as far as you can tolerate your own hypocrisy.
- Call out bullshit in the tone most appropriate to the company.
- It is OK to let a thought go unexpressed.
Learn to shrink yourself to the size of the company you are in. Take their tone, whatever it may be, and excel in it if you can; but never pretend to give the tone. A free conversation will no more bear a dictator than a free government will.