Bhagavad Gita is also known as Gitopaniṣad. It is the essence of Vedic knowledge and one of the most important Upanisads in Vedic literature.
Bhagavad Gita Introduction,
The mystics derive unlimited transcendental pleasures from the Absolute Truth, and therefore the Supreme Absolute Truth, the Personality of Godhead, is also known as Rama.
Bhagavad Gita 5.22,
A spiritual master who is one hundred percent Krishna conscious is the bona ﬁde spiritual master.
Bhagavad Gita 2.8,
Bhagavad-gita is the instruction given by Krishna, and Srimad-Bhagavatam is the book containing topics exclusively about Krishna and His devotees. These two books are the special nectar of the words of Krishna.
Srimad Bhagavatam 4.4.44,
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,