0 to be so good that it is not likely that anyone or anything that comes after will be as good: --
His presidency was very successful - it'll be a hard act to follow.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.