Catch the thought that stops you, swap it for one you'd actually believe, and build a challenge ladder that gives you evidence instead of affirmations — five minutes a day for 30 days.
That voice tells you you're not smart enough, not talented enough, not the kind of person who does this. And because it's in your own voice, it doesn't sound like an opinion — it sounds like a fact.
Not trying protects you from failing, which works right up until it becomes the reason nothing changes. The comfort zone stops being comfortable long before you leave it.
The moment something takes real effort, difficulty gets read as proof: see, I knew I couldn't. That reading is the actual problem, and it's the one thing here that's genuinely changeable.
Instead of showing you what's possible, it confirms something about you. Asking what they did rather than what they are is a skill, and it can be practised.