'Sons' in the Bible

And I gave my heart to seek and search out by wisdom concerning all things that are done under heaven: this sore travail hath God given to the sons of man to be exercised therewith.

I sought in mine heart to give myself unto wine, yet acquainting mine heart with wisdom; and to lay hold on folly, till I might see what was that good for the sons of men, which they should do under the heaven all the days of their life.

I got men-servants, and maid-servants, and sons of the house were to me; also, I had much substance -- herd and flock -- above all who had been before me in Jerusalem.

I gathered me also silver and gold, and the peculiar treasure of kings and of the provinces: I gat me men singers and women singers, and the delights of the sons of men, as musical instruments, and that of all sorts.

I have seen the travail, which God hath given to the sons of men to be exercised in it.

I said in mine heart concerning the estate of the sons of men, that God might manifest them, and that they might see that they themselves are beasts.

For that which befalleth the sons of men befalleth beasts; even one thing befalleth them: as the one dieth, so dieth the other; yea, they have all one breath; so that a man hath no preeminence above a beast: for all is vanity.

Who knoweth the spirit of the sons of man that is going up on high, and the spirit of the beast that is going down below to the earth?

If a man beget a hundred sons, and live many years, so that the days of his years be many, but his soul be not filled with good, and also he have no burial, I say an untimely birth is better than he.

Because sentence against an evil work is not executed speedily, therefore the heart of the sons of men is fully set in them to do evil.

This is an evil among all things that are done under the sun, that there is one event unto all: yea, also the heart of the sons of men is full of evil, and madness is in their heart while they live, and after that they go to the dead.

For man also knoweth not his time: as the fishes that are taken in an evil net, and as the birds that are caught in the snare; so are the sons of men snared in an evil time, when it falleth suddenly upon them.