First …

“I served 40 years in government and I’m not looking forward to a position or an assignment. Of course, I have always said if a president asks you to do something, you have to consider it.” – Colin L. Powell

Then …

“If asked if he wants to be Prime Minister, the generally acceptable answer for a politician is that while he does not seek the office, he has pledged himself to the service of his country, and that should his colleagues persuade him that that is the best way he can serve, he might reluctantly have to accept the responsibility, whatever his personal wishes might be.” – Sir Humphrey Appleby (character from Yes Minister TV series)