What you do today can improve all your tomorrows.
The secret of getting ahead is getting started.
Quality is not an act, it is a habit.
The wise does at once what the fool does at last.
Know or listen to those who know.
If you think you can do it, you can.
Without hard work, nothing grows but weeds.
The most effective way to do it, is to do it.
It's always too early to quit.
Well done is better than well said.
When I was younger I probably didn't understand something basic about tact, but I think it kept faint-hearted people at arm's distance and that's not such a bad thing, because life is short and I know the kind of people I want to work with.