מִזְמ֥וֹר לְדָוִ֑ד יְהוָ֥ה רֹ֝עִ֗י לֹ֣א אֶחְסָֽר׃
Psalm Dawida. Bóg pasterzem moim, nie zbywa mi na niczém.
Duties of the Heart
And the Creator will open for him the gates of His knowledge, and reveal to him secrets of His wisdom, and G-d will put His attention to guide and lead him, and He won't abandon him to himself and his (limited) ability, as the entire psalm 23 says: "The L-ord is my shepherd; I shall not lack.." (Tehilim 23:1), until the end.
Duties of the Heart
(7) It is possible that the alchemist will not be able to buy food with his gold and silver due to no food being available in the city at times, as written: "they shall cast their money in the streets" (Yechezkel 7:19), and "neither silver nor gold will be able to save them" (Tzefania 1:18), but for one who trusts in G-d, his sustenance will not be blocked at any time or in any place, as written "in famine He redeemed you from death" (Iyov 5:20), and "the L-ord is my shepherd, I shall not lack" (Tehilim 23:1), and "They will not be shamed in time of calamity, and in days of famine they shall still be satisfied" (Tehilim 37:19).