You never know what motivates you.
Only the educated are free.
If you're going through hell, keep going.
The secret of getting ahead is getting started.
Well done is better than well said.
Problems are not stop signs, they are guidelines.
If you've got a talent, protect it.
Either you run the day or the day runs you.
To know oneself, one should assert oneself.
Be kind whenever possible. It is always possible.
The one phrase you can use is that success has a thousand fathers, and failure is an orphan.