Men 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.
The power of duly appreciating little things belongs to a great mind...
A man will never change his mind if he have no mind to change.
As a science, logic institutes an analysis of the process of the mind in reasoning, and investigating the principles on which argumentation is conducted; as an art, it furnishes such rules as may be derived from those principles, for guarding against erroneous deductions.