It's always too early to quit.
The wise does at once what the fool does at last.
Only the educated are free.
Wherever you are - be all there.
Know or listen to those who know.
Never complain and never explain.
Expect problems and eat them for breakfast.
To be a good loser is to learn how to win.
Things do not happen. Things are made to happen.
To know oneself, one should assert oneself.
It couldn't sound like a dog, because K9 isn't a dog, but I made it sound as mechanical as possible.