He who would govern others, first should be master of himself.
— Philip Massinger
I am always doing that which I can not do, in order that I may learn how to do it.
— Pablo Picasso
If you deliberately plan on being less than you are capable of being, then I warn you that you’ll be unhappy for the rest of your life.
— Abraham H Maslow
If you want more, you have to require more from yourself.
— Dr Phil