It's always too early to quit.

Leap, and the net will appear.

Know or listen to those who know.

To be a good loser is to learn how to win.

Without hard work, nothing grows but weeds.

Begin to be now what you will be hereafter.

Well done is better than well said.

Be thine own palace, or the world's thy jail.

The most effective way to do it, is to do it.