I can, therefore I am.

Without hard work, nothing grows but weeds.

If you're going through hell, keep going.

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

To know oneself, one should assert oneself.

Never complain and never explain.

If you think you can do it, you can.

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

Begin to be now what you will be hereafter.