Evil is but the shadow, that, in this world, always accompanies good - You may have a world without shadow, but it will be a world without light - a mere dim, twilight world. If you would deepen the intensity of the light, you must be content to bring into deeper blackness and more distinct and definite outline, the shade that accompanies it.

Above all, don't lie to yourself. The man who lies to himself and listens to his own lie comes to a point that he cannot distinguish the truth within him, or around him, and so loses all respect for himself and for others. And having no respect he ceases to love.