Be positive. Think success, not failure. Beware the negative environment. Wherever the mind goes, the person will follow.
Proverbs 23:7 — For as a man thinks in his heart, so is he…
Philippians 4:8 — Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good report; if there be any virtue, and if there be any praise, think on these things.
Jeremiah 29:11 — For I know the thoughts that I think toward you, saith the Lord, thoughts of peace, and not of evil, to give you an expected end.