Common sense is judgment without reflection, shared by an entire class, an entire nation, or the entire human race.

Men first feel the necessity, then look for utility, next attend to comfort, still later amuse themselves with pleasure, thence grow dissolute in luxury, and finally go mad and waste their substance.

It is another property of the human mind that whenever men can form no idea of distant and unknown things, they judge them by what is familiar and at hand.

Uniform ideas originating among entire peoples unknown to each other must have a common ground of truth

Because of the indefinite nature of the human mind, wherever it is lost in ignorance, man makes himself the measure of all things