The 10 000 hours thing is often paired with "3 hours a day for 10 years", but by my recollection there the only number with a basis is 10 000, not the 3 hours o

The 10 000 hours thing is often paired with "3 hours a day for 10 years", but by my recollection there the only number with a basis is 10 000, not the 3 hours or the 10 years. I'm pretty sure she chose 10 years because she was responding to someone who chose 10 years.