For of the wise man, even as of the fool, there is no remembrance for ever; seeing that in the days to come all will have been long forgotten. And how doth the wise man die even as the fool!

And who knoweth whether he will be a wise man or a fool? yet will he have rule over all my labor wherein I have labored, and wherein I have showed myself wise under the sun. This also is vanity.

For all this I laid to my heart, even to explore all this: that the righteous, and the wise, and their works, are in the hand of God; whether it be love or hatred, man knoweth it not; all is before them.

then I discerned all that God has done: No one really comprehends what happens on earth. Despite all human efforts to discover it, no one can ever grasp it. Even if a wise person claimed that he understood, he would not really comprehend it.

And because the Preacher was wise he still gave the people knowledge; searching out, testing, and putting in order a great number of wise sayings.

For what advantage has the wise man over the fool [for being worldly-wise is not the secret to happiness]? What advantage has the poor man who has learned how to walk [publicly] among the living [with men’s eyes on him; for being poor is not the secret to happiness either]?

The wise man's eyes are in his head, and the fool walketh in darkness: and yet I perceived that one event happeneth to them all.

All this have I proved in wisdom: I said, I will be wise; but it was far from me.

I returned, and saw under the sun, that the race is not to the swift, nor the battle to the strong, neither yet bread to the wise, nor yet riches to men of understanding, nor yet favor to men of skill; but time and chance happeneth to them all.

The words of a wise man's mouth are sweet to all, but the lips of a foolish man are his destruction.

So I became great, greater than anyone who had lived before me in Jerusalem. Throughout all of this, I remained wise.

Among the things I seek but have not found: one man among a thousand I did find, but I have not found one woman to be wise among all these.

The words of the wise are as goads; and as nails well fastened are the words of the masters of assemblies, which are given from one shepherd.

Then said I in my heart, As it happeneth to the fool, so will it happen even to me; and why was I then more wise? Then said I in my heart, that this also is vanity.

Better is a poor and wise youth than an old and foolish king, who knoweth not how to receive admonition any more.

The heart of the wise is in the house of mourning; but the heart of fools is in the house of mirth.

It is better to hear the rebuke of the wise, than for a man to hear the song of fools.

Surely extortion maketh the wise man foolish; and a bribe destroyeth the understanding.

Wisdom is a strength to the wise man more than ten rulers that are in a city.

Who is as the wise man? and who knoweth the interpretation of a thing? A man's wisdom maketh his face to shine, and the hardness of his face is changed.

Whoso keepeth the commandment shall know no evil thing; and a wise man's heart discerneth time and judgment:

I have also seen wisdom under the sun on this wise, and it seemed great unto me:

Now there was found in it a poor wise man, and he by his wisdom delivered the city; yet no man remembered that same poor man.

The words of the wise heard in quiet are better than the cry of him that ruleth among fools.

A wise man's heart is at his right hand; but a fool's heart at his left.

Be not overly righteous; neither make yourself overly wise: why should you destroy yourself?

Don’t say, “Why were the former days better than these?”
since it is not wise of you to ask this.