https://medium.com/future-crunch/move-slowly-and-dont-break-things-693f00601b19

How’s that for a quote that hasn’t aged very gracefully?

For many years, “move fast and break things” was gospel in Silicon Valley. Facebook’s classic mantra represented a philosophy of trying out new ideas quickly so you could see if they survived in the marketplace. If they did, you refined them; if they didn’t, you could throw them away without blowing more time and money on development.