The “Three-tongued flame” that never dies is the immortal spiritual triad — the Atma-Buddhi and Manas — the fruition of the latter assimilated by the first two after every terrestrial life. The “four wicks” that go out and are extinguished, are the four lower principles, including the body…
Just as milliards of bright sparks dance on the waters of an ocean above which one and the same moon is shining, so our evanescent personalities — the illusive envelopes of the immortal monad — twinkle and dance on the waves of Maya. They last and appear, as the thousands of sparks produced by the moon-beams, only so long as the Queen of the Night radiates her lustre on the running waters of life: the period of a Manvantara; and then they disappear, the beams — symbols of our eternal Spiritual Egos — alone surviving, re-merged in, and being, as they were before, one with the Mother-Source.
— The Secret Doctrine, I, 237