Blind ignorance misleads us thus and delights with the results of
lascivious joys.

Because it does not know the true light. Because it does not know
what is the true light.

Vain splendour takes from us the power of being .... behold! for its
vain splendour we go into the fire, thus blind ignorance does
mislead us. That is, blind ignorance so misleads us that ...

O! wretched mortals, open your eyes.

On riches (1183--1187).