In studying a philosopher , the right attitude is nether reverence nor contempt, but first a kind of hypothetical sympathy , until it is possible to know what it feels like to believe in his theories, and only then a revival of the critical attitude, which should resemble, as far as possible, the state of mind of a person abandoning opinions which he has hitherto held. Contempt interferes with the first part of this process, and reverence with the second