How to say goodbye to inferiority

1.Don't compare with other ,compare with your own yesterday,as long as you progress a little today than yesterday ,they you're good.
2.little success in accumulate,you will gradually find your confidence.
3.Have to dare to speak ,don't be afraid to say the wrong words,there is no right or wrong in this world,it's just a difference opinions.
4.look at each other with your eyes,don't be afraid, you are no worse than anyone,it's all huaman,he doesn't have three heads.
5.Implied that,say it to yourself 50 times in every day,I can do well, I can do it very well.
Remember you're the best,no one can replace it.