To show them special mercy, I, dwelling in their hearts, destroy with the shining lamp of knowledge the darkness born of ignorance.
Bhagavad Gita 10.11,
Intelligence refers to the power to analyze things in their proper perspective, and knowledge refers to understanding what is spirit and what is matter.
Bhagavad Gita 10.4,
Because Bhagavad Gita is spoken by the Supreme Personality of Godhead, one need not read any other Vedic literature. One need only attentively and regularly hear and read Bhagavad Gita.
Bhagavad Gita Introduction,
Unless one reads the Bhagavad-gita in a submissive spirit, it is very difﬁcult to understand Bhagavad-gita, because it is a great mystery.
With the presence of Krishna, who is just like the sun, the darkness of ignorance is at once dissipated.
Bhagavad Gita 10.11
Ignorance is the cause of sinful life, and sinful life is the cause of one’s dragging on in material existence.
Bhagavad Gita 4.31,