When you find your path, you must not be afraid. You need to have sufficient courage to make mistakes. Disappointment, defeat, and despair are the tools God uses to show us the way.
Just as the soul fills the body, so God fills the world. Just as the soul bears the body, so God endures the world. Just as the soul sees but is not seen, so God sees but is not seen. Just as the soul feeds the body, so God gives food to the world.
In the beginning (if there was such a thing), God created Newton's laws of motion together with the necessary masses and forces. This is all; everything beyond this follows from the development of appropriate mathematical methods by means of deduction.