And when [Bëor] lay dead, of no wound or grief, but stricken by age, the Eldar saw for the first time the swift waning of the life of Men, and the death of weariness which they knew not in themselves; and they grieved greatly for the loss of their friends. But Bëor at the last had relinquished his life willingly and passed in peace; and the Eldar wondered much at the strange fate of Men, for in all their lore there was no account of it, and its end was hidden from them.

Time doesn't seem to pass here: it just is.

To the sea, to the sea! The white gulls are crying, The wind is blowing, and the white foam is flying. West, west away, the round sun is falling, Grey ship, grey ship, do you hear them calling, The voices of my people that have gone before me? I will leave, I will leave the woods that bore me; For our days are ending and our years failing. I will pass the wide waters lonely sailing. Long are the waves on the Last Shore falling, Sweet are the voices in the Lost Isle calling, In Eressea, in Elvenhome that no man can discover, Where the leaves fall not: land of my people forever!

My friend, you had horses, and deed of arms, and the free fields; but she, being born in the body of a maid, had a spirit and courage at least the match of yours. Yet she was doomed to wait upon an old man, whom she loved as a father, and watch him falling into a mean dishonoured dotage; and her part seemed to her more ignoble than that of the staff he leaned on. -Gandalf to Eomer, of Eowyn

It is ever so with the things that Men begin: there is a frost in Spring, or a blight in Summer, and they fail of their promise.

The Lord of the Rings is of course a fundamentally religious and Catholic work; unconsciously so at first, but consciously in the revision.

How could such a large door be kept secret from everybody outside, apart from the dragon?" [Bilbo] asked. He was only a little hobbit you must remember.