In a world where motion on the Earth was limited to the fastest horse or the speed of wind in a storm or tornado, his laws of motion were entirely adequate and correct for all practical purposes. The...
1st law: When a body is at rest or uniform motion it will remain at rest or in uniform motion unless acted upon by an external unbalance force.(a ball at on a stand will not move until you hit it...
He didnt "uncover" them as if he was going on a search and digging them up. He thought of them. a theory is like a hypothesis. its an educated guess. Its a guess on the way of how things work or why...