Aresluna.org has posted an interview of the original Mac team by Byte Magazine. Here’s Jobs in 1984:
If you read the Apple’s first brochure, the headline was “Simplicity is the Ultimate Sophistication.” What we meant by that was that when you first attack a problem it seems really simple because you don’t understand it. Then when you start to really understand it, you come up with these very complicated solutions because it’s really hairy. Most people stop there. But a few people keep burning the midnight oil and finally understand the underlying principles of the problem and come up with an elegantly simple solution for it. But very few people go the distance to get there.
[…]
In Mac, there’s no English on the outside of the case. Everything’s iconic. And there is absolutely no English in the ROM. It is universal in nature. When the thing comes on it puts a few icons on the screen. If something goes wrong, it can’t boot or something, it puts a frowning Mac on. If it’s booting it puts a happy Mac on. It loads all the languages, all the country-specific stuff, off the disk. So, because the keyboard is detachable and mapped anyway, to localize Mac all you do is change the keyboard, manuals, and the disks. Nothing in the box has to change.
It’s a long read, but a very interesting look into the past, and shows the obsession these guys had when developing the first Mac.