Either you run the day or the day runs you.
Things do not happen. Things are made to happen.
Never complain and never explain.
Expect problems and eat them for breakfast.
Be gentle to all and stern with yourself.
Be kind whenever possible. It is always possible.
Always desire to learn something useful.
Begin to be now what you will be hereafter.
If you think you can do it, you can.
To be a good loser is to learn how to win.
That's something I learned in art school. I studied graphic design in Germany, and my professor emphasized the responsibility that designers and illustrators have towards the people they create things for.