Thinking is an activity which all of us are compelled to engage in from time to time. If our thinking is in accordance with the facts or, in other words, leads us to true conclusions, it is good thinking; if it does not correspond with the facts, our thinking is bad.
The need for accurate and clear thinking is vital to our existence. The complexities of life confront us at every turn with a multitude of problems which we solve the best we can, private problems, public problems and work problems