The self-destructive consequences of compulsively acting under the influence of self-grasping and a self-cherishing attitude come back to harm us like a wheel of sharp weapons we ourselves have hurled. With an extensive presentation of harmful situations that always befall us, their karmic causes and the ways of behaving that will counter them, Dharmarakshita leads us to the practice of tonglen, giving and taking. We need to develop the strength to take on from others the poisonous emotions that cause their destructive behavior and give them the antidote, a correct understanding of voidness.