עָר֤וּם רָאָ֣ה רָעָ֣ה נִסְתָּ֑ר פְּ֝תָאיִ֗ם עָבְר֥וּ נֶעֱנָֽשׁוּ׃
A prudent man seeth the evil, and hideth himself; But the thoughtless pass on, and are punished.
Read kabbalistic (mystical) interpretation of Proverbs 27:12: and classical mystical sources.