Good Riddles

Question: I give light by night, but not by day, Am wicked but not evil in any way, Wax for the most but always wane, Except when I'm out, I stay the same. What am I?

Question: What type of car does a sheep drives?

Question: I am king of knowledge , also the king of madness Who am i ?

Question: I never was. Am always to be. No one ever saw me, nor ever will. And yet I am the confidence of all who live and breathe. What am I ?

Question: I always murmur but never talk, i always run but never walk, and I have a bed but I don't sleep. What am I?