To know oneself, one should assert oneself.

The wise does at once what the fool does at last.

Know or listen to those who know.

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

If you think you can do it, you can.

Expect problems and eat them for breakfast.

Always desire to learn something useful.

By failing to prepare, you are preparing to fail.

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