Source and decoding - Bava Batra 10a
גְּדוֹלָה צְדָקָה שֶׁמְּקָרֶבֶת אֶת הַגְּאוּלָּה, שֶׁנֶּאֱמַר: ״כֹּה אָמַר ה׳, שִׁמְרוּ מִשְׁפָּט וַעֲשׂוּ צְדָקָה, כִּי קְרוֹבָה יְשׁוּעָתִי לָבֹא וְצִדְקָתִי לְהִגָּלוֹת״.
Rabbi Yehudah says: great is charity, which brings redemption near, as it says "keep justice and do righteousness, for My salvation is near." He used to say: ten hard things were created - a mountain is hard, iron cuts it; iron is hard, fire melts it; fire is hard, water quenches it...
Rabbi Yehudah says: great is charity, which brings redemption near, as it says "keep justice and do righteousness, for My salvation is near." He used to say: ten hard things were created - a mountain is hard, iron cuts it; iron is hard, fire melts it; fire is hard, water quenches it... ending that charity saves from death.