“Nature shows us only the tail of the lion.”
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Source: Letter to Heinrich Zangger, 10 March 1914
About this quote
Scientific observation gives us partial evidence rather than a complete view of reality. The metaphor encourages intellectual humility while still treating the visible clues as meaningful guides to deeper laws.
When to use it
- A physicist treats an unexplained measurement as one visible clue to a larger mechanism.
- A doctor avoids claiming certainty when a small study reveals only part of a disease process.
- A student uses a surprising result as a reason to investigate further instead of forcing a conclusion.

