1." It is only with the heart that one can see rightly;
what is essential is invisible to the eye."

2. "The computer is only a fast idiot; it has no imagination;
it cannot originate action. It is, and will remain, only a tool of man."

3. "We are an intelligent species and the use of our intelligence
quite properly gives us pleasure.
In this respect the brain is like a muscle.
When it is in use we feel very good. Understanding is joyous."