I can, therefore I am.

To know oneself, one should assert oneself.

Things do not happen. Things are made to happen.

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

If you think you can do it, you can.

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

Either you run the day or the day runs you.

It's always too early to quit.

By failing to prepare, you are preparing to fail.