Inadequate according to who? According to what?
I just stop listening to others or even myself when I start questioning my capacities.
We are all constantly in a process of learning and growth, and we should enjoy and be thankful for this chance. Inadequacy suggests that there is some sort of measuring system apparent in life that defines your level of worthiness. There is no system for this unless you build one for yourself, and if you build one you can also tear it down.