…customers found they could do previously impossible things with the app than without, well beyond their expectations. The interesting thing about these examples is that many of them failed important ISO metrics such as portability, speed, efficiency, or reliability. Yet customers ignored those shortcomings and became avid and loyal subscribers to the software developer.

— Peter J. Denning and Matti Tedre, Computational Thinking

To reach excellence, problems need to turn into opportunities for learning and improvement, not just survival.

— Kent Beck and Cynthia Andres, Extreme Programming Explained

A single intense, out-of-context classroom event can only get you started in the right direction, at best.

— Andy Hunt, Pragmatic Thinking and Learning

For the Greeks, the polis — the city community — was more than a home, it was a kind of religion, the basis of all ethical commitment.

— Lloyd Spencer, Introducing Hegel

Moore’s law for silicon is actually the fifth wave of technologies displaying two-year doubling.

For context, Moore’s Law applies to integrated circuits and the four previous technologies are electromechanical, relay, vacuum tube, and transistors.

— Peter J. Denning and Matti Tedre, Computational Thinking