It's always too early to quit.
Know or listen to those who know.
The wise does at once what the fool does at last.
The most effective way to do it, is to do it.
If you're going through hell, keep going.
Begin to be now what you will be hereafter.
If you've got a talent, protect it.
Never complain and never explain.
Wherever you are - be all there.
Either you run the day or the day runs you.
There's only one thing that can guarantee our failure, and that's if we quit.