The worst of all is far behind us (the worst of all is still before us)
In the question: There is a need to improve the situation and the situation will improve. The opposite of the expression "the worst of all is still before us" and according to it, a difficult situation is expected to remain.
(Modern Hebrew)
Translation
Expression (Hebrew)
הַגָּרוּעַ מִכָּל כְּבָר מֵאַחֲרֵינוּ (הַגָּרוּעַ מִכָּל עוֹד לְפָנֵינוּ)
Definition (Hebrew)
בְּהַשְׁאָלָה: עוֹמֵד לָחוּל שִׁפּוּר בַּמַּצָּב וְהַמַּצָּב יִשְׁתַּפֵּר. הִפּוּכוֹ שֶׁל הַבִּטּוּי "הַגָּרוּעַ מִכָּל עוֹד לְפָנֵינוּ" וּלְפִיו צָפוּי לִהְיוֹת מַצָּב קָשֶׁה יוֹתֵר.
(הָעִבְרִית הַחֲדָשָׁה)