1:17. And I have given my heart to know prudence, and learning, and errors, and folly: and I have perceived that in these also there was labour, and vexation of spirit,
1:18. Because in much wisdom there is much indignation: and he that addeth knowledge, addeth also labour.
Ecclesiastes Chapter 2
The vanity of pleasures, riches, and worldly labours.
2:1. I said in my heart: I will go, and abound with delights, and enjoy good things. And I saw that this also was vanity.
2:2. Laughter I counted error: and to mirth I said: Why art thou vainly deceived?
2:3. I thought in my heart, to withdraw my flesh from wine, that I might turn my mind to wisdom, and might avoid folly, till I might see what was profitable for the children of men: and what they ought to do under the sun, all the days of their life.
2:4. I made me great works, I built me houses, and planted vineyards,
2:5. I made gardens, and orchards, and set them with trees of all kinds,
2:6. And I made me ponds of water, to water therewith the wood of the young trees,