If you can dream it, you can do it.
Know or listen to those who know.
The secret of getting ahead is getting started.
Problems are not stop signs, they are guidelines.
If you think you can do it, you can.
You never know what motivates you.
Never complain and never explain.
Only the educated are free.
If you're going through hell, keep going.
Always desire to learn something useful.
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.