If you think you can do it, you can.

Without hard work, nothing grows but weeds.

To know oneself, one should assert oneself.

Be thine own palace, or the world's thy jail.

By failing to prepare, you are preparing to fail.

If you're going through hell, keep going.

Well done is better than well said.

Quality is not an act, it is a habit.

It's always too early to quit.