Riddles

1. It walks on four legs in the morning, two legs at noon and three legs in the evening. What is it?
2. What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
3. At night they come without being fetched. By day they are lost without being stolen. What are they? 
4.The person who makes it, sells it. The person who buys it never uses it and the person who uses it doesn't know they are. What is it?
5. The more you have of it, the less you see. What is it?


1. Man
2. River
3. Stars
4. Coffin
5. Darkness