The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.
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About this quote

Deep thinking without clarity creates impressive complexity that often hides bad choices. Strip ideas down, test assumptions, and demand sane reasoning before celebrating cleverness. Ask where complexity serves truth, not ego, and act on the simplest next step.

When to use it

  • In a meeting, call out: 'We can dive deep, but are we thinking clearly? Let's simplify and test the core assumption.'
  • When reviewing a dense report, remind yourself: 'Depth doesn't equal correctness — reduce it to fundamentals and verify.'
  • If you find yourself overthinking a problem, ask: 'Am I lost in clever details or solving the real issue?' then pick one clear action.
  • When hiring or delegating, prefer people who make complex ideas simple, because clarity delivers results faster than ornate thinking.