One of the things is we tend to give up too soon. We get knocked down a couple of times, and we stay down. It's so important to get back up again.
Take the attitude of a student, never be too big to ask questions, never know too much to learn something new.
Always render more and better service than is expected of you, no matter what your task may be.
I am rare, and there is value in all rarity; therefore, I am valuable.
Work as though you would live forever, and live as though you would die today. Go another mile!
To do anything truly worth doing, I must not stand back shivering and thinking of the cold and danger, but jump in with gusto and scramble through as well as I can.