I have this mantra. It's called, "If a schedule is long, it's wrong. If it's tight, it's right." And I've just, basically just go recursive improveme… - Elon Musk

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I have this mantra. It's called, "If a schedule is long, it's wrong. If it's tight, it's right." And I've just, basically just go recursive improvement on schedule, with feedback loop. "Did this make it go faster? OK. If it didn't, we're going to need to fix it." If the design takes a long time to build, it's the wrong design. This is the fundamental thing. Over and over, the tendency is to complicate things. And I have another thing which is, the best part is no part. The best process is no process. It weighs nothing, costs nothing, can't go wrong. So, as obvious as that sounds, the best part is no part. The thing I'm most impressed with, when I have the design meetings at SpaceX, is "What did you undesign?" Undesigning is the best thing. Just delete it. That's the best thing.