Self belief refers to the confidence and trust that a person has in themselves. It means having a strong belief in one's abilities, skills, and potential to succeed. Full definition
Confidence alone won't bring goals or trophies, but a little bit of self belief always helps, especially against the bigger sides. (justarsenal.com)
If he's playing with self belief and on a hot run of form he's very hard to stop. (justarsenal.com)
If you believe in your work, even when others don't, a little self belief can carry you through the toughest times when sales are poor and life is hard. (theabundantartist.com)