Proverbs 28:26 Halakhah

בּוֹטֵ֣חַ בְּ֭לִבּוֹ ה֣וּא כְסִ֑יל וְהוֹלֵ֥ךְ בְּ֝חָכְמָ֗ה ה֣וּא יִמָּלֵֽט׃

He that trusteth in his own heart is a fool; But whoso walketh wisely, he shall escape.

Read halakhic rulings (Jewish law) on Proverbs 28:26: and classical halakhic sources.