Complex sentence: In private life Mackenzie was a cultivated and learned gentleman with literary tendencies, and is remembered as the author of various graceful essays, of which the best known is "A Moral Essay preferring Solitude to Public Employment" (1665).
Split into simpler sentences: In private life Mackenzie was a cultivated and learned gentleman with literary tendencies. One of his best known works is "A Moral Essay preferring Solitude to Public Employment" (1665).