Knowing when to move on from a position of power is a principle precious few people who hold such stations have grasped throughout history. At the time of writing, one Donald J Trump is making a conspicuous pig's ear of it. Knowing how to manage an orderly transfer of this authority to one's anointed successor represents another order of difficulty - after all, Henry VIII motored through six wives trying to produce a male heir.
Mercedes F1 team principal and shareholder Toto Wolff has made no secret of the fact that the rigours of his job have exacted a toll he is no longer willing to pay, and that he covets a less hands-on role. How much less hands-on is unknown - except, perhaps, to Wolff - as is the identity of who might succeed him.
The parent company has signed off on an arrangement whereby, in Wolff's words, his successor "will take time to train and go alongside me, and with Daimler we've decided I could take another role, being chief executive officer or executive chairman, and then decide how many races I do or whether I enjoy watching and giving stupid advice from the sofa".