Simplicity is prerequisite for reliability.

The use of COBOL cripples the mind; its teaching should, therefore, be regarded as a criminal offense.

Progress is possible only if we train ourselves to think about programs without thinking of them as pieces of executable code.

It is not only the violin that shapes the violinist, we are all shaped by the tools we train ourselves to use, and in this respect programming languages have a devious influence: they shape our thinking habits.