Never complain and never explain.

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

The secret of getting ahead is getting started.

Begin to be now what you will be hereafter.

To know oneself, one should assert oneself.

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

You never know what motivates you.

It's always too early to quit.

Problems are not stop signs, they are guidelines.