If you think you can do it, you can.

It's always too early to quit.

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

To know oneself, one should assert oneself.

Well done is better than well said.

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

You never know what motivates you.

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

Things do not happen. Things are made to happen.