Complex sentence: Krishnamurti returned to the donors the estates, property, and funds that had been given to the Order in its various incarnations, and spent the rest of his life promoting his post-Theosophical message around the world as an independent speaker and writer.
Split into simpler sentences: Krishnamurti returned to the donors the estates, property, and funds that had been given to the Order in its various incarnations. He spent the rest of his life promoting his post-Theosophical message around the world as an independent speaker and writer.