Never complain and never explain.
If you think you can do it, you can.
The secret of getting ahead is getting started.
Be kind whenever possible. It is always possible.
Well done is better than well said.
Either you run the day or the day runs you.
If you can dream it, you can do it.
Be gentle to all and stern with yourself.
Quality is not an act, it is a habit.
Go for it now. The future is promised to no one.
Sound is the vocabulary of nature.
The world changes materially. Science makes advances in technology and understanding. But the world of humanity doesn't change.