yeld (seth godin)

The rules of right of way make sense.

A manueverable motor boat yields to a sailboat because it can more easily recover from the turn.

A bicyclist going downhill yields to one struggling uphill, because he can get back up to speed more quickly.

The senior partner invests a little bit of time helping the junior one, because no one else has the skills to do so, not because reciprocation is the goal.

Asymmetrical trades are what makes a society work.

Yield has two meanings, and one leads to the other.