In politics, you have your word and your friends; go back on either and you're dead.
Never miss a political meeting if you think there's the slightest chance you'll wish you'd been there.
Moral outrage is the most powerful motivating force in politics.
Promptly report your action to the one who requested it.
Keep a secure home base.
A prompt, generous letter of thanks can seal a commitment which otherwise might disappear when the going gets rough.