My hardest lesson learned is on Humility. If you are a naturally humble person, then I congratulate you. Because you are an extremely noble person. As for me I hope that I will learn Life's lesson faster because I want to just begin living a good life. Good life would mean to take the bad with the good in an incredibly awesome attitude.
I pray that you be blessed and good tidings of comfort, joy and everything good comes your way.
Happy 2012. <3