॥ १६ ॥ । । ॥ १६६ ॥
In plain words
Section 16: Devotion in Two Forms. When sattva rises in the mind, knowledge breaks in like lightning. It becomes steady then and only then — if the mind comes all the way to purity.
Close to the Sanskrit
Section 16: The chapter on twofold devotion. When sattva arises in the mind, the dawning of knowledge occurs like lightning. Then alone would it be steady, if the mind reaches purity.