Answer:
Mountains will crumble and temples will fall. And no man can survive its endless call.
As a whole, I am both safe and secure. Behead me, I become a place of meeting. Behead me again, I am the partner of ready. Restore me, I become the domain of beasts.
What comes once in a minute, twice in a moment, but never in a thousand years?
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
My first master has four legs, my second master has two. My first I serve in life, my second I serve in death. Tough I am, yet soft beside. Against ladies cheeks I often reside.
I run through hills. I veer around mountains. I leap over rivers. And crawl through the forests. Step out your door to find me.