if we believe that such tenacity

Even if we believe that such tenacity is worth developing, in practise, doubts and fears can dominate. “We're wired to believe our emotions,” says Elaine Elliott-Moskwa, psychologist and author of The Growth Mindset Workbook, based in Princeton, New Jersey, US. “When a person says ‘I feel I'm not good enough’, that feeling is very powerful, even though that is a belief about their abilities.”