"If you don't have time to do it right, make sure you have time to do it again"
--My great-great grandfather
--My great-great grandfather
"We never have enough time to do it right, but we always have enough time to do it twice"
> "We never have enough time to do it right, but we always have enough time to do it twice"
Which is a totally valid tradeoff if "doing it right" will take three times as long.
Or, if after "doing it right", you're still going to have to do it over because you anticipated the wrong problems.