Answer:
Before Google, we actually had to physically look things up in this building full of knowledge.
It can be clear like water, but it burns like fire.
What is the ending of all that begins?
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?