Two sides of the same coin

The Laws of Celestial Mechanics dictate that when two objects collide, there is always damage of a collateral nature…

“He’s likely now a gun for hire…”

and believe me to be, my dear fellow,

Right… because God forbid he catches a cold before you throw him off a waterfall

Well, I’ve done a fine job.

“Zu viele Füchse für dich, Hänsel…”

How so?

“All other men are specialists, but his specialism is omniscience.”
— Sir Arthur Conan Doyle, The Bruce-Partington Plans