Important though it is to avoid the pitfalls of poor reasoning, it is more important to concentrate our energies on mastering those positive principles that make for its happy opposite—sound reasoning. And this is where practice comes in. Logic can be perfected as an art only by our putting it to work, by regularly applying it to real-life situations. We could never complain of a lack of opportunities for doing this; all our waking hours are chock-full of situations that demand logical responses from us.
