I can, therefore I am.

Things do not happen. Things are made to happen.

Always desire to learn something useful.

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

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

Go for it now. The future is promised to no one.

To know oneself, one should assert oneself.

By failing to prepare, you are preparing to fail.

You never know what motivates you.