What is important is to keep learning, to enjoy challenge, and to tolerate ambiguity. In the end there are no certain answers.
Martina Horner.President of Radcliffe College

It is possible to store the mind with a million facts and still be entirely uneducated.
Alec Bourne

For every person who wants to teach there are approximately thirty people who don't want to learn--much.
W. C. Sellar and R. J. Yeatman,

Teachers open the door. You enter by yourself.
Chinese Proverb

Good teaching is one-fourth preparation and three-fourths theater. Gail Godwin