He brought a healthy head to a sick bed.
Don't get involved in complicated matters unnecessarily.
(Modern Hebrew)
Translation
Expression (Hebrew)
הִכְנִיס רֹאשׁ בָּרִיא לְמִטָּה חוֹלָה
Definition (Hebrew)
הִתְעָרֵב בְּעִנְיָנִים מְסֻבָּכִים לְלֹא צֹרֶךְ.
(הָעִבְרִית הַחֲדָשָׁה)