Thompson and Ritchie were among the first to realize that hardware and compiler technology had become good enough that an entire operating system could be written in C, and by 1978 the whole environment had been successfully ported to several machines of different types.

The next best thing to having good ideas is recognizing good ideas from your users. Sometimes the latter is better.

Any tool should be useful in the expected way, but a truly great tool lends itself to uses you never expected.

When writing gateway software of any kind, take pains to disturb the data stream as little as possible - and never throw away information unless the recipient forces you to!

When you lose interest in a program, your last duty to it is to hand it off to a competent successor.

Thompson and Ritchie were among the first to realize that hardware and compiler technology had become good enough that an entire operating system could be written in C, and by 1978 the whole environment had been successfully ported to several machines of different types.

With enough eyes, all bugs are shallow.