Just Believe In Yourself Quotes by James Purdy, Marianne Williamson, Mary J. Blige, Audrey Hepburn, Dr. Seuss, Mark Victor Hansen and many others.

If you’re a writer, you have to be an egomaniac. You have to just believe in yourself, which is hard work.
Our deepest fear is not that we are inadequate. Our deepest fear is that we are powerful beyond measure. It is our Light, not our Darkness, that most frightens us.
Believe in yourself when nobody else does.
Always be a first-rate version of yourself.
Be who you are and say what you feel because those who mind don’t matter and those who matter don’t mind. Don’t cry because it’s over. Smile because it happened.
Don’t wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.
It is our light, not our darkness that most frightens us.
To be a champ you have to believe in yourself when no one else will.
Don’t let fear or insecurity stop you from trying new things. Believe in yourself. Do what you love. And most importantly, be kind to others, even if you don’t like them.
If you can dream it, you can do it. Your limits are all within yourself.
Believe in yourself, and the rest will fall into place. Have faith in your own abilities, work hard, and there is nothing you cannot accomplish.
Life shrinks or expands in proportion to one’s courage.
Follow your inner moonlight; don’t hide the madness.
First, do enough training. Then believe in yourself and say: I can do it. Tomorrow is my day. And then say: the person in front of me, he is just a human being as well; he has two legs, I have two legs, that is all. That is mentally how you prepare.
If you think you can’t, you’re right.
You know, you do need mentors, but in the end, you really just need to believe in yourself.
First thing every morning before you arise say out loud, I believe.