בס”ד
Our Torah portion relates the story of our forefather Isaac, who considered traveling down to Egypt during a time of severe famine. The Holy One, blessed be He, commanded him: “Sojourn in this land, and I will be with you and bless you” (Genesis 26:3). Isaac obeyed the Divine command and remained in the Land of Israel. Despite it being a year of severe drought, he sowed the land, and the Torah records: “Isaac sowed in that land, and in that year, he reaped a hundredfold and the L-rd blessed him” (Genesis 26:12).
Regarding the expression “a hundredfold”, Rashi brings two traditional explanations: An initial estimate was made of how much the land would typically produce, and it yielded one hundred times more than expected. The explanation is, the calculation was made specifically for the purpose of setting aside tithes. After the grain was harvested and measured for tithing, a miraculous blessing rested upon it, increasing the yield a hundredfold.
The Lubavitcher Rebbe explains that this second interpretation reveals the spiritual key to Divine prosperity. The Holy One, blessed be He, bestowed such extraordinary abundance upon Isaac specifically through the virtue of his commitment to tithing and giving. As the Sages taught: “Give tithes so that you may become wealthy” (Babylonian Talmud, Taanit 9a). When a person sets aside a portion of their income or produce to help others in honor of the Creator, G-d opens the windows of Heaven and blesses their remaining resources far beyond natural limitations.
Although there is no formal legal requirement for non-Jews to set aside a fixed tithe of 10%, the obligation to engage in charity is fundamental and essential. For Bnei Noach, charity is also considered a branch of the commandment of “Dinim” to establish a just society (Ramban Genesis 34:13).
Initially, Isaac’s crops grew through natural human effort; however, once he dedicated a portion for charitable and sacred purposes, G-d infused his work with supernatural blessing. This teaches us a powerful lesson for our daily lives: giving does not diminish a person’s wealth—it unleashes G-d’s abundance. By walking in Bnei Noach path, practicing charity, and spreading moral goodness, Noahides actively participates in refining the world and hastening the True and Complete Redemption.
By Rabbi Moshe Bernstein
Sources & References
- Isaac in the Land of Israel & Famine: Genesis 26:1–3.
- The Sowing and the Hundredfold Yield: Genesis 26:12.
- Abraham’s Legacy of Charity and Justice: Genesis 18:19.
- The Promise of Divine Abundance Through Giving: Malachi 3:10 (“Bring the whole tithe into the storehouse… and test Me now in this… if I will not open for you the windows of heaven”).
- Rashi on Genesis 26:12: Details the two interpretations of Me’ah She’arim (estimation of natural yield vs. estimation for tithing).
- Maimonides (Rambam), Mishneh Torah, Laws of Kings and Wars (Hilchot Melachim u’Milchamot), Ch. 10, Law 10: Establishes that non-Jews who wish to perform acts of charity, kindness, and tithing receive reward from Heaven.
- The Lubavitcher Rebbe, Core source: Likutei Sichot, Vol. 5, Parshat Toldot, pp. 68–74: The primary Chassidic discourse analyzing the dual nature of Isaac’s harvest—combining natural effort with supernatural Divine abundance.
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