various sages and ten schools of thought/refers to the classical schools of thought, e.g. Confucianism 儒 represented by Confucius 孔子 and Mencius 孟子, Daoism 道 by Laozi 老子 and Zhuangzi 莊子|庄子, Mohism 墨 by Mozi 墨子, Legalism 法 by Sunzi 孫子|孙子 and Han Feizi 韓非子|韩非子, and numerous others