knowledge

【十七章】子曰、由、誨女知之乎、知之為知之、不知為不知、是知也。

CHAP. XVII. The Master said, 'Yu, shall I teach you what

knowledge is? When you know a thing, to hold that you know

it; and when you do not know a thing, to allow that you do not

know it;-- this is knowledge.'

study of strange

【十六章】子曰、攻乎異端、斯害也己。

CHAP. XVI. The Master said, 'The study of strange
doctrines is injurious indeed!'