There are people who pay attention to the weaknesses of their friends; that is to no avail. I have always closely watched and profited from the strengths of my adversaries.
Johann Wolfgang von GoetheThe child, offered the mother's breast, Will not in the beginning grab it; But soon it clings to it with zest. And thus at wisdom's copious breasts You'll drink each day with greater zest.
Johann Wolfgang von Goethe