Opportunity only knocks once
This page is about the saying "Opportunity only knocks once"
We should take an opportunity (or chance) when it comes. According to this saying, it will not come again.
knock (verb) = strike or hit (a door) noisily to attract attention | opportunity (noun) = a lucky chance; a set of circumstances that makes it possible to do something
If "opportunity only knocks once", when an opportunity arises we should
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Contributor: Josef Essberger