This source sheet is based on a teaching by Jeffrey Spitzer (Gann Academy, Boston)
The Aggressive
Inclination and Good Inclination [Yetzer
HaRa and Yetzer Tov]
“God saw all that God had made, and found it very good. And
there was morning, and there was evening, the sixth day” (Genesis 1:31). Nahman
said in Rabbi Shmuel’s name: “Very good” describes both the Aggressive
Inclination and Good Inclination. Is it possible that the Aggressive
Inclination can be “very good”? Without the Aggressive Inclination, one would
not build a house, marry, have children, or engage in business.
- Midrash Genesis
Rabbah 9:7 (ca. 400 CE, Land of Israel)
The Birth of Good
Inclination
The Aggressive Inclination is 13 years older than Good
Inclination. While still in the womb, the Aggressive Inclination begins to
develop in a person. If a person begins to violate the Sabbath, or commit
murder, or goes off to do another sin, nothing stops him/her.
But 13 years later, Good Inclination is born. When s/he
violates the Sabbath, it rebukes her/him, “Airhead! Don't you know our
tradition says ‘Everyone who violates it will surely be put to death’ (Exodus
31:14)?” If s/he is about to commit murder, it rebukes her/him, “Airhead! Don't
you know it says ‘Whoever sheds a human’s blood, by humankind will his blood be
shed’ (Genesis 9:6)?” If s/he is about to engage in a sexual sin, it rebukes
her/him, “Airhead! Don't you know it says ‘Both parties of adultery will surely
be put to death’ (Leviticus 20:10)?”
- Avot d’Rabbi Natan 16
(c. 800 CE, Babylon)
Good Inclination: A
Poor and Wise Child
“It is better to be a poor and wise child than an old and
foolish king who no longer has the sense to heed warnings.”
- Ecclesiastes 4:13
“A poor and wise
child”—this is Good Inclination.
“Poor”—because
Good Inclination is less powerful than the Aggressive Inclination.
“Wise”—because it
gives a person intelligence to follow the good way.
“Child”—because
it is younger than the Aggressive Inclination, entering a person only at age
13.
“An old and
foolish king who no longer has the sense to heed warnings”—this is the
Aggressive Inclination.
“Old”—because it
enters a person at birth. As it is written of Cain: “Sin couches at the door”
(Genesis 4:7).
“Foolish”—because
it misleads a person to follow the bad way.
“King”—because it
has the power to rule over the limbs.
“Who no longer
has the sense to heed warnings”—because it has become old and does not accept
reproof.
- Rashi (1040-1105,
France)
Coming Out of Egypt,
Moving Towards Sinai
For the first 13 years of life, one rebels. But in the 14th
year, the light of intelligence appears, and one becomes bat/bar mitzvah and
subject to the punishment of a human court. Similarly, our sages, of blessed
memory, hinted at this when they said, "On the evening of the 14th
of Nissan, we search for hametz
[leaven] by the light of a candle" (Mishnah Pesachim 1:1).
- Rabbi Isaac Arama,
(1420-1494, Spain)