You never know what motivates you.
What you do today can improve all your tomorrows.
Only the educated are free.
After a storm comes a calm.
It's always too early to quit.
Know or listen to those who know.
If you think you can do it, you can.
Quality is not an act, it is a habit.
I can, therefore I am.
Problems are not stop signs, they are guidelines.
It is impossible for any number which is a power greater than the second to be written as a sum of two like powers. I have a truly marvelous demonstration of this proposition which this margin is too narrow to contain.