(8) In that case, and assuming that Deva-Chan is not solely the heritage of adepts and persons almost as elevated, there is a condition of existence tantamount to Heaven actually going on, from which the life of Earth may be watched by an immense number of those who have gone before! (9) And for how long? Does this state of spiritual beatitude endure for years? for decades? for centuries?
(8) Most emphatically "the Deva-Chan is not solely the heritage of adepts," and most decidedly there is a "heaven" — if you must use this astro-geographical Christian term — for "an immense number of those who have gone before." But "the life of Earth" can be watched by none of these, for reasons of the Law of Bliss plus Maya, already given.
(9) For years, decades, centuries and milleniums, oftentimes — multiplied by something more. It all depends upon the duration of Karma. Fill with oil Den's little cup, and a city Reservoir of water, and lighting both see which burns the longer. The Ego is the wick and Karma the oil: the difference in the quantity of the latter (in the cup and the reservoir) suggesting to you the great difference in the duration of various Karmas. Every effect must be proportionate to the cause. And, as man's terms of incarnate existence bear but a small proportion to his periods of
"Den's little cup" probably refers to the Sinnett's young son Dennis.