A well installed microcode bug will be almost impossible to detect.

I wanted to separate data from programs, because data and instructions are very different.

I also enjoy writing my regular column for Organic Gardening magazine, so I may do more of that sort of thing in the future, if anybody wants it!

No amount of source-level verification or scrutiny will protect you from using untrusted code.

For most of that time, I've also been a keen gardener, but for many years I failed to make the connection between gardening and science.

One of my most productive days was throwing away 1,000 lines of code.

That brings me to Dennis Ritchie. Our collaboration has been a thing of beauty.