Common sense is the best distributed commodity in the world, for every man is convinced that he is well supplied with it. - René Descartes

. . .it is not my design to teach the method that everyone must follow in order to use his reason properly, but only to show the way in which I have tried to use my own.

So blind is the curiosity by which mortals are possessed, that they often conduct their minds along unexplored routes, having no reason to hope for success, but merely being willing to risk the experiment of finding whether the truth they seek lies there.

...all that is necessary to right action is right judgment, and to the best action the most correct judgment