Teaching the basics can be done in 8 weeks. But to teach someone everything they could ever need to know build an app that does amazing stuff? Impossible in tha

Teaching the basics can be done in 8 weeks. But to teach someone everything they could ever need to know build an app that does amazing stuff? Impossible in that time frame. I've been at this since the very early stages (iOS 2.0 Beta 3, 2008). And I still feel like I don't know enough.