Making one brilliant decision and a whole bunch of mediocre ones isn't as good as making a whole bunch of generally smart decisions throughout the whole process.
John CarmackThe cost of adding a feature isn't just the time it takes to code it. The cost also includes the addition of an obstacle to future expansion. ... The trick is to pick the features that don't fight each other.
John CarmackOne of the big lessons of a big project is you don't want people that aren't really programmers programming, you'll suffer for it!
John CarmackIn the information age, the barriers [to entry into programming] just aren't there. The barriers are self imposed. If you want to set off and go develop some grand new thing, you don't need millions of dollars of capitalization. You need enough pizza and Diet Coke to stick in your refrigerator, a cheap PC to work on, and the dedication to go through with it. We slept on floors. We waded across rivers.
John Carmack