Answer:
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What is it?
My first half is normally made of stone, my second is crazy, and I taste sweet when complete.
What goes further the slower it goes?
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from noah's ark won quick release.
With sharp edged wit and pointed poise. It can settle disputes without making a noise.
You use it between your head and your toes, the more it works the thinner it grows.