Never complain and never explain.
You never know what motivates you.
What you do today can improve all your tomorrows.
Know or listen to those who know.
Wherever you are - be all there.
If you've got a talent, protect it.
Go for it now. The future is promised to no one.
Expect problems and eat them for breakfast.
Be kind whenever possible. It is always possible.
Only the educated are free.
Many who have had an opportunity of knowing any more about mathematics confuse it with arithmetic, and consider it an arid science. In reality, however, it is a science which requires a great amount of imagination.