The research rat of the future allows experimentation without manipulation of the real world. This is the cutting edge of modeling technology.

It's impossible to move to live to operate at any level without leaving traces bits seemingly meaningless fragments of personal information.

If we continue to develop our technology without wisdom or prudence our servant may prove to be our executioner.

Civilization advances by extending the number of important operations which we can perform without thinking of them.

At the age of 15 a teacher had asked me what I wanted to do for a career and without knowing why or even how I replied that I wanted to be a poet.

Without any doubt at all teacher quality is the fundamental differentiator. Not just incidentally of education but I would argue probably the biggest single differentiator of success for the nations of the 21st Century.

I'd never been a teacher before and here I was starting my first day with these eager students. There was a shortage of teachers and they had been without a math teacher for six months. They were so excited to learn math.

The teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.

The object of teaching a child is to enable him to get along without his teacher.

Only one person in a million becomes enlightened without a teacher's help.