Always desire to learn something useful.
It's always too early to quit.
I can, therefore I am.
The most effective way to do it, is to do it.
Go for it now. The future is promised to no one.
Problems are not stop signs, they are guidelines.
Quality is not an act, it is a habit.
You never know what motivates you.
The wise does at once what the fool does at last.
Things do not happen. Things are made to happen.
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.