From one of Jon Bentley's Programming Pearls books, the "Bumper sticker computer science" chapter: [Thompson's Rule for First-Time Telescope Makers] It is fast

From one of Jon Bentley's Programming Pearls books, the "Bumper sticker computer science" chapter: [Thompson's Rule for First-Time Telescope Makers] It is faster to make a four-inch mirror and then a six-inch mirror than to make a six-inch mirror. Bill McKeenan Wang Institute This is offered as wisdom for software development..