Geoff Hinton's famous quip: to handle 14 dimensions, visualize 3-D and say 'fourteen' loudly

pickover · x · 2026-11-15

Nobel laureate Geoff Hinton's classic line from his Coursera course Neural Networks for Machine Learning: "To deal with a 14-dimensional space, visualize a 3-D space and say 'fourteen' to yourself very loudly. Everyone does it." The self-deprecating joke captures how hard high-dimensional intuition really is, and remains a beloved quote in the AI community.

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