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__The further backward you look, the further forward you can see.__
— The Singularity Is Near: When Humans Transcend Biology
[](https://www.adithyan.io/blog/richard-sutton-ai-slogans/#8-work-by-orthogonal-dimensions-work-issue-by-issue)8. Work by orthogonal dimensions. Work issue by issue.
"Orthogonal dimensions" implies **independent aspects** of a problem. This slogan is advising researchers to tackle problems by breaking them down into separate, non-overlapping issues, and solving each one in turn. In practice, you identify different axes of complexity in your project and address them one at a time, holding others constant. This way, improvements in one area won't mess up another because you've separated concerns (just as orthogonal axes in a graph don't interfere with each other).
Explaining Richard Sutton's AI Research Slogans
Richard Sutton
At the end of a session, or at any substantial break, always write down your thoughts, however vague, on what will come next. This is a very good tip. Don't get up without doing it, even to answer nature's call. Write or type the notes directly onto the end of the text, where they can be looked at and crossed off as used, A few scraps will do, and will save half an hour of warming up when you start again.
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