To know oneself, one should assert oneself.
Well done is better than well said.
To be a good loser is to learn how to win.
The most effective way to do it, is to do it.
Do not weep do not wax indignant. Understand.
It's always too early to quit.
Be gentle to all and stern with yourself.
Either you run the day or the day runs you.
Quality is not an act, it is a habit.
Know or listen to those who know.
The best player I've ever played with was Paul Gascoigne. He had everything. He was amazing.