The nature of peoples is first crude, then severe, then benign, then delicate, finally dissolute.
Giambattista VicoPolitical Science carries inseparably with it the study of piety, and that he who is not pious cannot be truly wise.
Giambattista VicoCommon sense is judgment without reflection, shared by an entire class, an entire nation, or the entire human race.
Giambattista Vico