When you feel yourself in the grip of an emotion such as jealousy or anger or sorrow, detach yourself from it. Take a step back. When you do that, you can allow the emotion to run through you without causing negative thoughts or actions.
Evil needs to be understood for what it is: the dynamic of the absence of Light. It is not something that one should prepare to battle, to run from, or to outlaw.
A joyous person abounds with energy and feels buoyant, because he or she is running a higher frequency current of energy through his or her system.