五十奥义书（修订本）徐梵澄译

Being the fundamental scriptures of Brahmanism in ancient India and the final part of Vedic. Upanisad is of substantial content and takes the lead in various theories that followed to progressively discuss the origin of human and the universe and their relationship. Its profound philosophy, verified thinking, peculiar imagination, and transcendental wisdom leave rich treasure and limitless inspirations to the later generations. Up to today, the sacrifice activities and religious life, the typical east thinking mode, and code of ethics of ancient India in Upanisad still attract abundant readers of the world and are praised highly by western philosophers. Today, during the period of the reform and open-up, we shall adopt excellent cultural traditions throughout the world regardless of their origin.