If you think you can do it, you can.
To be a good loser is to learn how to win.
If you can dream it, you can do it.
By failing to prepare, you are preparing to fail.
Be kind whenever possible. It is always possible.
The secret of getting ahead is getting started.
Well done is better than well said.
It's always too early to quit.
If you're going through hell, keep going.
Expect problems and eat them for breakfast.
Diversity in the world is a basic characteristic of human society, and also the key condition for a lively and dynamic world as we see today.