Possibility 

"Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible." -St. Francis of Assisi

"It's kind of fun to do the impossible!" -Walt Disney

"Whether you believe you can or not, you're right." - Henry Ford

Determination

You might not be able to outthink, out-market or outspend your competition, but you can outwork them" -Lou Holtz

Sustainable Success

Success is not final; failure is not fatal: it is the courage to continue that counts. -Winston Churchill

Conviction

In matters of style, swim with the current; In matters of principle, stand like a rock. -Thomas Jefferson

All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope. -Winston Churchill

The Highest Standards

We are what we repeatedly do. Excellence, then, is not an act, but a habit. -Aristotle

Perfection is not attainable, but if we chase perfection we can catch excellence. -Vince Lombardi

It is the characteristic excellence of the strong man that he can bring momentous issues to the fore and make a decision about them. The weak are always forced to decide between alternatives they have not chosen themselves. -Dietrich Bonhoeffer