Mistakes are painful when they happen, but years later a collection of mistakes is what is called experience.
Denis WaitleyLearn how to grow out of yourself and into the world of others: Plant a shade tree under which you know you will never sit. Set some goals that may benefit your children or an orphanage or the employees of your company or future generations or your own city, fifty years from now.
Denis WaitleyThe most splendid achievement of all is the constant striving to surpass yourself and to be worthy of your own approval.
Denis Waitley