The best we can do is size up the chances, calculate the risks involved, estimate our ability to deal with them, and then make our plans with confidence.
To do more for the world than the world does for you - that is success.
Vision without execution is just hallucination.
Before everything else, getting ready is the secret of success.
The question "Who ought to be boss" is like asking "Who ought to be tenor in the quartet?" Obviously, the man who can sing tenor.
I cannot discover that anyone knows enough to say definitely what is and what is not possible.