They know what it means to work for something beyond themselves.
"When you are a politician, it means to work for the benefit of the country, not to stay home.
Nurses will save you, feed you, and teach you what it really means to work in the NHS.
Dr. Lubchenco has also broken ground in her career by redefining what it means to work as a scientist.
"Now that he's retiring, he's going to find out what it really means to work for a living," Lamoriello said.
And for a growing number of strategists and operatives in both parties, the very nature of what it means to work in politics has shifted.
Instead, she has found herself in the occasionally bizarre hinterland of what it means to work to an unclear job description.
I learnt a huge amount about what it means to work in an effective team, how to be mentally and physically resilient and determined about achieving your goals.
Both also increasingly share an evolving understanding of what it means to work with communities rather than simply doing good to them.
The events of this week and last have gone to the heart of what it means to work for Donald Trump.
I've had to work to reconcile what it means to be, on one hand, an artist who self-generates, versus what it means to work within the system.
