My haunt keeps haunting me, help?

i did what everybody would have done, mistakes. but i can't seem to forget them no matter how hard i try, i want to look towards the future without any burden or guilt, but i just can't. its like my guilt and failures has branded me for life, whenever i look at myself, i am reminded of my past failures and mistakes. this demoralizing feeling keeps haunting and tormenting me, it is an obstacle in almost anything i do. i want to forget my past mistakes and my errors, is there really a way or is there another way?