Technology enables man to gain control over everything except technology. Technology improves things so fast that by the time we can afford the best, there's something better. Most subjects at universities are taught for no other purpose than that they may be retaught when the students become teachers. Everybody is now so busy teaching that nobody has any time to learn. A teacher is a person who knows all the answers, but only when she asks the questions.
Good teachers cost a lot, but poor teachers cost a lot more.
It is more important for a teacher to be a stimulant than to be important. One of the important duties of a teacher is to keep a roomful of live wires grounded. Except it be a lover, no one is more interesting as an object of study than a student. I would live to study, and not study to live. There is a substitute for everything, especially for original thinking.