A line from an answer on Stack Overflow:
Storing your data in a relational database is like parking your car by driving it into the garage, disassembling it, and putting each piece into a labeled cabinet.Reminds me of a line by Greg Morrisett:
Writing code for X Windows is like building skyscrapers with Legos.That used to be in Jeff Vinocur’s quotefile, which seems to have disappeared from the Internet.