In any moment of decision, the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.
No one is ever really taught by another; each of us has to teach himself. The external teacher offers only the suggestion, which arouses the internal teacher, who helps us to understand things.
To succeed, you must have tremendous perserverance... tremendous will. "I will drink the ocean", says the perservering soul; at my will mountains will crumble. Have that sort of energy, that sort of will; work hard, and you will reach the goal.