What Am I Riddles

Question: i am the most powerful force in the universe, u cannot see or feel me, but i can be seen in ones actions, i have nothing to do with religion. Everyone has some of me, but nobody has all of me, what am i...

Question: I have keys but no lock, you can enter but not leave what am I?

Question: I am born through wrongful events, sometimes even despair. I show that deep down you care. Although I give you strength, I am but a flaw. I can even turn a man into a monster, a monster that even his own loved ones saw. What am I?

Question: I rule the ends of the universe. I control its laws. I reign the galaxy. The start of space is the start of me. The end of the universe is the end of me. The name of my slaves bring mighty terror to you. The universe wouldn't work if it wasn't for me. What am I?

Question: Without me you're blind but once you touched in the right place you can turn me on. What am I?