Nothing but the right can ever be expedient, since that can never be true expediency which would sacrifice a great good to a less.
Richard WhatelyAs an exercise of the reasoning faculties, pure mathematics is an admirable exercise, because it consists of reasoning alone and does not encumber the student with any exercise of judgment.
Richard WhatelyMen first make up their minds (and the smaller the mind the sooner made up), and then seek for the reasons; and if they chance to stumble upon a good reason, of course they do not reject it. But though they are right, they are only right by chance.
Richard Whately