Good Riddles

Question: A man travels by wagon,
brings joy each evening,
but depression by the morning.

Who is he?

Question: We have what we did not find; what we did find we left behind.

[What do we have?]

Question: There are these polar bears. And one day they decide to go fishing. So they go out on the ice, they cut a hole, and they sit around it. They catch 2 Karp and 7 Blue Gill. They say, that was some good fishing. Let's roll the dice. They role a 4 and a 3. How many polar bears were there?

Question: What has hands, but can not clap?

Question: I have the power to turn day into night And night into day I am worshiped by many Even when I'm quartered and halved. Look but you shall not find me when I am new.