Excitement and reward exist only outside your comfort zone. You'll experience neither of them until you make yourself do something you really don't want to do. So what is it that scares the hell out of you?
Roy H. WilliamsQuantum Mechanics and General Relativity are both accepted as scientific fact even though they're mutually exclusive. Albert Einstein spent the second half of his life searching for a unifying truth that would reconcile the two.
Roy H. Williams