It's always too early to quit.
Things do not happen. Things are made to happen.
The most effective way to do it, is to do it.
Know or listen to those who know.
Never complain and never explain.
You never know what motivates you.
Wherever you are - be all there.
To be a good loser is to learn how to win.
Quality is not an act, it is a habit.
After a storm comes a calm.
I guess happiness is not a state you want to be in all the time.