Alan Kay

You can’t change how people think, all you can do is give them a tool the use of which will lead them to think differently.

The biggest problem in software development is that everything is a representation detail.

The Web is like a giant system of Post-It notes with references to other Post-It notes.

The computer is an interactive medium, not a passive one.

We are still in the pre-Gutenberg stage of computing.

The only way to know if an idea is good is to implement it.

The most important thing about a technology is how it changes people.

The user interface should be so simple that a beginner in an emergency can understand it within ten seconds.

The problem with object-oriented languages is they’ve got all this implicit environment that they carry around with them. You wanted a banana but what you got was a gorilla holding the banana and the entire jungle.

The computer is a metamedium. It can simulate any other medium.

We need to do for computing what the printing press did for writing.

The biggest single problem in communication is the illusion that it has taken place.

The Dynabook is a personal dynamic medium.

The most powerful concept in computing is the concept of a ‘tool for thought.’