Philosophy - Plato, Aristotle, Kant, Nietzsche.

Philosophy, (from Greek, by way of Latin, philosophia, “love of wisdom”) the rational, abstract, and methodical consideration of reality as a whole or of fundamental dimensions of human existence and experience. Philosophical inquiry is a central element in the intellectual history of many civilizations.

哲学，（来自希腊语，通过拉丁语，哲学，“对智慧的热爱”）对整个现实或人类生存和经验的基本维度的理性，抽象和有条理的考虑。哲学探究是许多文明的思想史上的核心要素。