It's always too early to quit.
Things do not happen. Things are made to happen.
You never know what motivates you.
To be a good loser is to learn how to win.
Expect problems and eat them for breakfast.
Begin to be now what you will be hereafter.
If you're going through hell, keep going.
By failing to prepare, you are preparing to fail.
Be kind whenever possible. It is always possible.
I can, therefore I am.
It's not enough that I should succeed - others should fail.