In the computer field, the moment of truth is a running program; all else is prophecy.

A wealth of information creates a poverty of attention.

Solving a problem simply means representing it so as to make the solution transparent.

One of the first rules of science is if somebody delivers a secret weapon to you, you better use it

Everyone designs who devises courses of action aimed at changing existing situations into preferred ones.

Learning results from what the student does and thinks, and only from what the student does and thinks. The teacher can advance learning only by influencing the student to learn.

What information consumes is rather obvious: it consumes the attention of its recipients. Hence a wealth of information creates a poverty of attention, and a need to allocate that attention efficiently among the overabundance of information sources that might consume it.