The only person worth competing (or comparing yourself) against is your previous self.
Life is not a competition with others, it's an internal battle with yourself.
Limiting beliefs can hold you prisoner of your own comfort zone to protect you from failure.
But failure is the most important driver of excellent that ever existed. That's why you need to fail, fail again and fail some more.
If you look back in distant or recent history, you can observe that the most important human development occurred when courageous people decided to let go of fear of failure and to allow themselves to fail in order to become better and - later - remarkable.
Beliefs that you are either gifted or not, you either have it or you don't, are just wrong.
It's up to you to gather the knowledge to see that and to generate the mental energy to fight against your beliefs and to grow.
Everything in life is learnable. Every skill you can think of is achievable if you put your mind and enough effort to it.
John Wooden, the legendary basketball coach, said that you have to apply yourself each day to becoming a little better. By becoming a little better each and every day, over a period of time, you will become a lot better.
Change is tough. It's hard work and more hard work. But it's worth it.
Making the shift from a fixed to a growth mindset frame helps tremendously.
For more insight about the difference between them, we can't recommend enough the exceptional book Mindset - the New Psychology of Success by Carol Dweck.