A good bible verse from the king james version describing the lords power over the devils power?

i have a many of tattoo on my chest of dark and evil and alot of tattoos on my back of faith and prosperity y because even though i put off a front and try to look like i dont care sometimes, it doesn't mean i am not a religious person i strongly believe in the word of the lord but i want a scripture that will deeply describe the feeling i have of saying even know i seem dark and evil, even kno i may act like some1 i am not i still believe in the lord and his many blessings. thank you any1 who will help, ur time and thought is greatly appreciated