'Yet' in the Bible

All the rivers flow into the sea,Yet the sea is not full.To the place where the rivers flow,There they flow again.

The wise man’s eyes are in his head, but the fool walks in darkness. And yet I know that one fate befalls them both.

And who knows whether he will be a wise man or a fool? Yet he will have control over all the fruit of my labor for which I have labored by acting wisely under the sun. This too is vanity.

He has made everything appropriate in its time. He has also set eternity in their heart, yet so that man will not find out the work which God has done from the beginning even to the end.

There was a certain man without a dependent, having neither a son nor a brother, yet there was no end to all his labor. Indeed, his eyes were not satisfied with riches and he never asked, “And for whom am I laboring and depriving myself of pleasure?” This too is vanity and it is a grievous task.

A poor yet wise lad is better than an old and foolish king who no longer knows how to receive instruction.

All a man’s labor is for his mouth and yet the appetite is not satisfied.

But there was found in it a poor wise man and he delivered the city by his wisdom. Yet no one remembered that poor man.

Yet the fool multiplies words. No man knows what will happen, and who can tell him what will come after him?