You can't be in love with it

What makes a great designer?
It’s the ability to generate a solution to a design problem, put it aside, generate another solution that’s not just a version of the first solution but different, then generate another one. Then you have to be able to critique all those solutions. It’s very hard not to come back with three versions of the same option, just tweaked. And that first idea can’t become like your child—you can’t be in love with it and think it’s perfect, because it never is, and you have to be able to put it away.
Stephen Ashton, 1954–2016