Ecclesiastes 1:13

1:13 I decided to carefully and thoroughly examine

all that has been accomplished on earth.

I concluded: God has given people a burdensome task

that keeps them occupied.

Ecclesiastes 2:3

2:3 I thought deeply about the effects of indulging myself with wine

(all the while my mind was guiding me with wisdom)

and the effects of behaving foolishly,

so that I might discover what is profitable

for people to do on earth during the few days of their lives.

Ecclesiastes 5:2

5:2 Do not be rash with your mouth or hasty in your heart to bring up a matter before God,

for God is in heaven and you are on earth!

Therefore, let your words be few.

Ecclesiastes 10:20

10:20 Do not curse a king even in your thoughts,

and do not curse the rich while in your bedroom;

for a bird might report what you are thinking,

or some winged creature might repeat your words.