It is indeed a coincidence in the development of human civilization that Plato and Aristotle of ancient Greece and Sakyamuni of ancient India also lived during this same period.

• 而古希腊的柏拉图、亚里士多德，古印度的佛陀等对人类生活影响深远的哲学家也都出现在这一时期，这是世界文明发展历程中一个有趣的巧合.