To be honest to oneself, and that is very hard to do.
It's the law of averages: put in more, come out with more.
Understand your limitations and capitalize on them.
Ever since I was a child I have had this instinctive urge for expansion and growth. To me, the function and duty of a quality human being is the sincere and honest development of one's potential.
A self-willed man has no other aim than his own growth.
We shall find the answer when we examine the problem, the problem is never apart from the answer, the problem IS the answer, understanding the problem dissolves the problem.