The Lord hath rent the kingdom. — The prophet at once looks upon the garment torn by the passionate vehemence of the king, as an omen for the future, and uses the rent vesture as a symbol, to show Saul that thus had the Lord on that day rent the kingdom from him.
A neighbour of thine. — It had not yet been revealed to the seer who was to replace the rebellious king, so he simply refers to the future anointed one quite indefinitely as “a neighbour.”