Learn from every mistake because every experience, encounter, and particularly your mistakes are there to teach you and force you into being more who you are.
I believe that when you stop renewing and are no longer open to change and the possibilities that continually unfold, you stop being alive and are just getting through the years. Transformation doesn't happen unless you're willing: It's your choice.
True self-esteem is realizing that you are valuable because you were born. No matter where you came from, what color your skin is, what people say about your family or what mean things people may have done to you, because you were born, you are important and you matter.
I became so frustrated with visiting inner-city schools (in America) that I just stopped going. The sense that you need to learn just isn't there. If you ask the kids what they want or need, they will say an iPod or some sneakers. In South Africa, they don't ask for money or toys. They ask for uniforms so they can go to school.
I grew up in the Baptist Church, and going to church with my father; I remember being 8 years old, trying to determine whether I was really ready to give up sin, and for days I agonized.