It's always too early to quit.

If you think you can do it, you can.

Never complain and never explain.

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

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

To know oneself, one should assert oneself.

Always desire to learn something useful.

By failing to prepare, you are preparing to fail.

Be kind whenever possible. It is always possible.