The Brihadaranyaka Upanishad is one of the oldest and most important Upanishads, and it is considered the foundation of Vedanta philosophy.

Brahman is the central concept of Vedanta philosophy, and it refers to the ultimate reality, the source of all existence.

Vedanta philosophy teaches that Brahman and Atman are the same, and that the individual soul (Atman) is a part of the universal soul (Brahman).

Maya is the illusion that creates the world and separates Brahman and Atman. It is the veil of ignorance that prevents us from realizing our true nature.

The goal of Vedanta philosophy is to attain moksha, which is liberation from the cycle of birth and rebirth and the realization of one's true nature as Brahman.

Adi Shankara is considered the greatest exponent of Vedanta philosophy. He was a 9th-century philosopher who developed the Advaita Vedanta school of thought.

The main difference between Advaita Vedanta and other schools of Vedanta is that Advaita Vedanta teaches that Brahman and Atman are the same, while other schools teach that Brahman and Atman are different.

Meditation is a way to attain moksha, or liberation, in Vedanta philosophy. It is a way to quiet the mind and connect with the true nature of reality.

The Chandogya Upanishad is known for its famous declaration, 'Tat Tvam Asi' (That Thou Art), which expresses the unity of the individual soul (Atman) with the universal soul (Brahman).

The concept of 'neti neti' (not this, not that) in Vedanta philosophy negates the existence of the world as we perceive it, as it is an illusion created by Maya.

Ramanuja is known for his theory of 'Vishishtadvaita' (qualified non-dualism) in Vedanta philosophy, which posits that Brahman and Atman are distinct but inseparable entities.

The Bhagavad Gita emphasizes the importance of performing one's duty without attachment to the fruits of action, as this leads to inner peace and liberation from the cycle of karma.

The Mandukya Upanishad is known for its discussion of the concept of 'AUM' (Om) as the ultimate reality, representing the three states of consciousness (waking, dreaming, and deep sleep) and the transcendental state beyond them.

Karma, in Vedanta philosophy, refers to the law of cause and effect, where every action has a corresponding reaction, shaping an individual's destiny and the cycle of rebirth.

Madhvacharya is known for his theory of 'Dvaita' (dualism) in Vedanta philosophy, which posits that Brahman, Atman, and the world are distinct and separate entities.