I've never found it necessary.

In any case ye couldn't have supposed that I should consent to anything different." And then the Deputy-Governor exploded.
"You have given those damned rascals in Tortuga this warning so that they may escape! That is what you have done.

That is how you abuse the commission that has saved your own neck!" Peter Blood considered him steadily, his face impassive.

"I will remind you," he said at last, very quietly, "that the object in view was--leaving out of account your own appetites which, as every one knows, are just those of a hangman--to rid the Caribbean of buccaneers.
Now, I've taken the most effective way of accomplishing that object.

The knowledge that I've entered the King's service should in itself go far towards disbanding the fleet of which I was until lately the admiral." "I see!" sneered the Deputy-Governor malevolently.