注大乘入楞伽經 7.173

7.173

此示菩薩應依實義、莫隨言說，若依文字者，損壞自他不得明悟。

This shows that the bodhisattva should rely on the real meaning and not follow verbal expositions. If one relies on letters, one harms both oneself and others and fails to attain clear awakening.