The dog that trots about finds a bone.
If you think you can do it, you can.
To know oneself, one should assert oneself.
Always desire to learn something useful.
The secret of getting ahead is getting started.
To be a good loser is to learn how to win.
You never know what motivates you.
If you're going through hell, keep going.
I can, therefore I am.
If you can dream it, you can do it.
I think this is the biggest win in my career. To beat Venus in Wimbledon is just something amazing.