Prediger 1:4

"One generation passeth away, and another generation cometh: and the earth remaineth for ev." The meaning is not that the earth remains standing, and thus (Hitz.) approaches no limit (for what limit for it could be had in view?); it is by this very immoveable condition that it fulfils, according to the ancient notion, its destiny, Psa 119:90. The author rather intends to say that in this sphere nothing remains permanent as the fixed point around which all circles; generations pass away, others appear, and the earth is only the firm territory, the standing scene, of this ceaseless change. In reality, both things may be said of the earth: that it stands for ever without losing its place in the universe, and that it does not stand for ever, for it will be changed and become something else. But the latter thought, which appertains to the history of redemption, Psa 102:26., is remote from the Preacher; the stability of the earth appears to him only as the foil of the growth and decay everlastingly repeating themselves. Elster, in this fact, that the generations of men pass away, and that, on the contrary, the insensate earth under their feet remains, rightly sees something tragic, as Jerome had already done: Quid hac vanius vanitate, quam terram manere, quae hominum causa facta est, et hominem ipsum, terrae dominum, tam repente in pulverem dissolvi? The sun supplies the author with another figure. This, which he thinks of in contrast with the earth, is to him a second example of ceaseless change with perpetual sameness. As the generations of men come and go, so also does the sun.

To prove the vanity of all things under the sun, and their insufficiency to make us happy, Solomon here shows, 1. That the time of our enjoyment of these things is very short, and only while we accomplish as a hireling his day. We continue in the world but for one generation, which is continually passing away to make room for another, and we are passing with it. Our worldly possessions we very lately had from others, and must very shortly leave to others, and therefore to us they are vanity; they can be no more substantial than that life which is the substratum of them, and that is but a vapour, which appears for a little while and then vanishes away. While the stream of mankind is continually flowing, how little enjoyment has one drop of that stream of the pleasant banks between which it glides! We may give God the glory of that constant succession of generations, in which the world has hitherto had its existence, and will have to the end of time, admitting his patience in continuing that sinful species and his power in continuing that dying species. We may be also quickened to do the work of our generation diligently, and serve it faithfully, because it will be over shortly; and, in concern for mankind in general, we should consult the welfare of succeeding generations; but as to our own happiness, let us not expect it within such narrow limits, but in an eternal rest and consistency. 2. That when we leave this world we leave the earth behind us, that abides for ever where it is, and therefore the things of the earth can stand us in no stead in the future state. It is well for mankind in general that the earth endures to the end of time, when it and all the works in it shall be burnt up; but what is that to particular persons, when they remove to the world of spirits?…

1:4 Generations come and go, and individual lives seem to pass away without significance.