Indispensible

The cemeteries are full of indispensable men, said De Gaulle.
And from the looks of things, we desperately need the services of indispensable men.
So, each of you grab a shovel and start digging. I’ll prepare the lab and a batch of the special revival serum. We’ll have an army of indispensable men by sunrise.
This isn’t to say that you’re indispensable. I mean, I couldn’t do this project without you.
Although, if you gave me enough time, I could dig up these men and revive them myself, but it would take much, much longer.
You know what I mean.