I couldn't resist the temptation to put in a null reference, simply because it was so easy to implement. This has led to innumerable errors, vulnerabilities, and system crashes, which have probably caused a billion dollars of pain and damage in the last forty years.

I don't know what the language of the year 2000 will look like, but I know it will be called Fortran.

Premature optimization is the root of all evil in programming.

Here is a language so far ahead of its time, that it was not only an improvement on its predecessors, but also on nearly all its successors.

The unavoidable price of reliability is simplicity.

Some problems are better evaded than solved.

In the development of the understanding of complex phenomena, the most powerful tool available to the human intellect is abstraction. Abstraction arises from the recognition of similarities between certain objects, situations, or processes in the real world and the decision to concentrate on these similarities and to ignore, for the time being, their differences.