The price of discipline is always less than the pain of regret.
If what you're working for really matters, you'll give it all you've got.
Hatred is the most destructive force on earth. It does the most damage to those who harbor it.
If what you are doing is worth doing, hang in there until it is done.
What if you could be anything, or anybody, you chose to be? Think about it. What would you choose to be?
Make education a continuing, never-ending process.