As our discussion at this question, we got out a result that Try what you can't and Do what you can't is contradiction, then how can we encourage someone to try/do something that they can't/don't do in the pass?


I meant encouraging somebody to try, maybe they failed in the past or the fails now, but something sometimes may success after a serval tries, not everything total fails when you failed once.

  • Why would you want to encourage someone to do something impossible? Could you please add more context?
    – Cardinal
    Dec 17, 2017 at 1:56
  • @Cardinal I updated it at edit part Dec 17, 2017 at 5:25

1 Answer 1


I think the problem you were running into on ELU is that you don't seem to understand that "can't" means "completely unable." I think the idea you are trying to get at may be something like this:

If you can't do something now, practice it until you can.

Simply adding "now" in there opens up the possibility that it could change.

There's also a saying in English: "If at first you don't succeed, try, try, again."

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