Work on developing a love for accepting criticism. When you have a sincere desire to grow and develop, you will appreciate the opportunities that arise for further growth and development.
Criticism expressed with profound love and concern is easier to handle than criticism expressed with anger or condescension. But if what is said to you is beneficial for you, accept it regardless of how it is said.
-from Rabbi Zelig Pliskin’s Gateway to Self Knowledge, pp.184-6
This one’s particularly difficult, because while some people criticize you in a sincere effort to help you improve, others do so as a method of tearing you down. That said, even the latter can sometimes be useful, but only if you can accept the criticism without blame or shame.