If you can dream it, you can do it.
Well done is better than well said.
Only the educated are free.
Know or listen to those who know.
Be gentle to all and stern with yourself.
Things do not happen. Things are made to happen.
If you're going through hell, keep going.
To be a good loser is to learn how to win.
Expect problems and eat them for breakfast.
Without hard work, nothing grows but weeds.
Crabbed and obscure definitions are of no use beyond a narrow circle of students, of whom probably every one has a pet one of his own.