These people have usually thought longer about the topic and say it so much more eloquently.... for example:
"The best day of your life is the one on which you decide your life is your own. No apologies or excuses. No one to lean on, rely on, or blame. The gift is yours - it is an amazing journey - and you alone are responsible for the quality of it. This is the day your life really begins." ~Bob Moawad
Good stuff. Certainly there are times when we need to rely on someone; but the idea that your life doesn't begin until you realize your life is your own is very interesting.