…for no man is able to make progress when he is facing both ways. But if you have preferred this course to every other, if you wish to devote yourself to this alone, and labour to perfect it, give up everything else. Otherwise this facing both ways will bring about a double result: You will neither make progress as you ought, nor will you get what you used to get before. For before, when you frankly aimed at nothing worth while, you made a pleasant companion. You cannot achie