For in much wisdom is much grief; and he who increases knowledge increases sorrow.

There is a sore evil which I have seen under the sun, namely, riches kept for their owners to their hurt.

And this also is a sore evil, that in all, as he came, so shall he go; and what profit does he have who has labored for the wind?

Also all his days he eats in darkness, and he has much sorrow and wrath with his sickness.

Sorrow is better than laughter; for by the sadness of the face the heart is made better.