More difficult than all to get to know itself. So sages assert. But not cognize itself, the world will remain an eternal riddle for you. Therefore philosophers at all times tried and try to study human nature and carry the knowledge to us, simple mortals.Aphorisms, quotations, expressions, are collected in this collection, verses of great thinkers from antiquity to our days: Aristotle, Plato, Эпикура, Avizenna, Foma Аквинского, Макиавелли, Voltaire, Rousseau, Дидро, Goethe, Шопенгауэра, Dostoevsky, Соловьева, Розанова, Freud, Вернадского, Флоренского and many other. With some wise ideas you will agree, with other, maybe, will argue, and third, can, even will complement the supervisions and ideas. But main - they will not leave you indifferent and will compel to be thoughtful.Read, go deep, argue, think!