It's specific to programming, but not exclusively to programming; there are a few other areas where "you haven't been doing this since you could walk? Too late

It's specific to programming, but not exclusively to programming; there are a few other areas where "you haven't been doing this since you could walk? Too late to be truly good": - Mathematics (at the extreme high levels) - Musical composition - Classical music performance - Painting/Visual arts - Speaking most languages - Jedi Knight