《幼学琼林·卷四·文事》
不合正统的学说叫作 异端 ，又叫 左道 ；读书叫作 肄业 ，又叫 藏修 。
邪说曰异端，又曰左道；读书曰肄业，又曰藏修。
Unorthodox doctrines are called heresies, also known as leftism; reading is called attending classes, also known as performing secluded cultivation.