[D]o not depend on the hope of results . . . [Y]ou may have to face the fact that your work will be apparently worthless and even achieve no result at all, if not perhaps results opposite to what you expect. As you get used to this idea, you start more and more to concentrate not on the results, but on the value, the rightness, the truth of the

What matters to an active man is to do the right thing; whether the right thing comes to pass should not bother him. —GOETHE