It's not about rejection rates. It's about what you learn, and the progress. Numbers (of this sort) don't matter. Learning tends to happen when things don't go

It's not about rejection rates. It's about what you learn, and the progress. Numbers (of this sort) don't matter. Learning tends to happen when things don't go as you expected they would. Unexpected good and bad events can have that effect. Rejection and failure don't have intrinsic merit, and I've seen plenty of people (with the luxury to fail, due to trust funds or connections or whatever) who continually fail and don't grow. But if you never fail-- of course, there are degrees of failure and total failure is uncommon and still undesirable-- you're probably taking too few risks.