It's always too early to quit.
Be kind whenever possible. It is always possible.
Always desire to learn something useful.
The most effective way to do it, is to do it.
I can, therefore I am.
If you're going through hell, keep going.
Be thine own palace, or the world's thy jail.
Without hard work, nothing grows but weeds.
To be a good loser is to learn how to win.
Expect problems and eat them for breakfast.
A mathematician is a person who can find analogies between theorems a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories.