That essence flowed forth and went toward the sun. That forms what is called the white colour of the sun.

Sama Veda, Chandogya Upanishad III, II - The Honey-Doctrine (Yajur-Veda), 3

The western rays of the sun are the western honey-cells. The Saman-verses are the bees. The Sama-Veda is the flower. The water is the nectar.

Sama Veda, Chandogya Upanishad III, III - The Honey-Doctrine (Sama-Veda), 1

The Samans heated the Sama-Veda. From it, thus heated, issued forth-as its essence-fame, radiance, vigour of the senses, virility and the food that is eaten.

Sama Veda, Chandogya Upanishad III, III - The Honey-Doctrine (Sama-Veda), 2

That flowed forth and went toward the sun. called the dark colour of the sun.

Sama Veda, Chandogya Upanishad III, III - The Honey-Doctrine (Sama-Veda), 3

The northern rays of the sun are the northern honey-cells. The verses of the Atharvangirasa are the bees. The Itihasa-purana is the flower. The water is the nectar.

Sama Veda, Chandogya Upanishad III, IV - The Honey-Doctrine (Atharva-Veda), 1