Ah, on what little things does happiness depend! I have read all that the wise men have written, and all the secrets of philosophy are mine, yet for want of a red rose is my life made wretched.
The fact is, that civilization requires slaves. Unless there are slaves to do the ugly, horrible, uninteresting work, culture and contemplation become almost impossible.
To make a good salad is to be a brilliant diplomatist - the problem is entirely the same in both cases. To know exactly how much oil one must put with one's vinegar.