However, I find that quite often folks beat themselves up for not being good at everything, thus adding more evidence and strength to their failure story. (penpals.be)
But even if they were actually right about this — which is doubtful since no one is good at everything — it's an unsustainable business philosophy. (entrepreneur.com)
People who are good at everything are terribly annoying, aren't they? (theeverygirl.com)