। ॥
In plain words
When one knows things without knowing the Self, the knower, could such knowing be knowledge of the highest truth? For one who knows his own Self, the support of the knowing and of what is known, that pair perishes.
Word for word
The knowing of one not knowing the Self, the knower: could that be knowing of the highest truth? For one who knows his own Self as the support of the knowing and of the known, that pair perishes.