shandilya-vidya
शाण्डिल्यविद्या śāṇḍilya-vidyāThe meditation attributed to the sage Shandilya in the Chandogya Upanishad (3.14): "all this is Brahman," and the Self within the heart is that Brahman.
Where this term appears
- The Chandogya Upanishad: that you are Treatise
And in its fourteenth section it delivers one of the most quoted passages in all of Vedanta, so quoted that it has its own name in the tradition: the Shandilya-vidya.