When asked, "what do you do when (if) you ever feel like giving up?", Warren Ellis replied:
There is no such goddamn thing. There is only getting up and doing it all over again, smarter and harder, until something ups and fucking kills you, because that’s the only thing big enough to stop you.And that is why I’ll never be asked to do motivational speaking. G’night.
There is nothing I can add to that beyond "wot he sed..."
warren ellis caricature by Medox