an ant may well destroy a whole dam

an ant may well destroy a whole dam

proverb A small problem can cause catastrophic damage if left unchecked. A: "I can't believe that minor leak totally rotted the floorboards in here." B: "Unfortunately, an ant may well destroy a whole dam."
See also: ant, dam, destroy, may, well, whole
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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