You will never know how sharp a sword is unless it's drawn from its sheath
Seek Not Every Quality In One Individual.
Death and life have their determined appointments; riches and honors depend upon heaven.
When it is obvious that the goals cannot be reached, don't adjust the goals, adjust the action steps.
From the Son of Heaven down to the mass of the people, all must consider the cultivation of the person the root of everything besides.
When you are laboring for others, let it be with the same zeal as if it were for yourself.