Poems riddles

It can be cracked, it can be made, It can be told, it can be played. What is it?

What always runs, but never walks, often murmurs, never talks, has a bed, but never sleeps, has a mouth, but never eats?

What has roots as nobody sees, Is taller than trees, Up, up it goes And yet never grows?

I am a white box having no key or any lid. Yet there is a golden treasure inside it. What Am I ?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place.

When you have me, you feel like sharing me. But, if you do share me, you don't have me. What am i?

Slayer of regrets, old and new, sought by many, found by few. What am I?

Thirty white horses on a red hill. First they champ, Then they stamp, Then they stand still. Who are they?

Turn me on my side and I am everything. Cut me in half and I am nothing. What am I?