Uddālaka Āruṇi

The father in Chāndogya VI who takes his proud, newly educated son Śvetaketu apart with a series of household demonstrations — a lump of clay, a fig seed cut open to show nothing inside, salt dissolved in water until it cannot be seen but can be tasted anywhere in the cup — and ends each one with the same four syllables: tat tvam asi, that you are.

The most famous sentence in Indian philosophy, taught by a father to a son over kitchen objects. This bench keeps finding that the deepest teaching arrives domestically — a salt-cup, a candle lighting a candle, bread on a table.