If you think you can do it, you can.
After a storm comes a calm.
The most effective way to do it, is to do it.
Leap, and the net will appear.
Be kind whenever possible. It is always possible.
By failing to prepare, you are preparing to fail.
Know or listen to those who know.
It's always too early to quit.
Do not weep do not wax indignant. Understand.
Well done is better than well said.
I think it is most important for a teacher to play the pieces and studies that are being played by the student.