• Berakhot 17a records that the Sages' ideal for the World to Come is sitting with crowns enjoying the Shekhinah's radiance — Ecclesiastes 7:1 "a good name is better than fine perfume, and the day of death than the day of birth" is the Talmudic eschatological reorientation: the Sitra Achra inverts this by making birth (the moment of maximum Sitra Achra vulnerability, when the soul is newest to this world) celebratory and death terrifying; the Tzaddik who exits with a good name has completed the mission successfully.
• Shabbat 77a teaches that repentance and good deeds are a shield against suffering — Ecclesiastes 7:5 "it is better for a man to hear the rebuke of the wise than to hear the song of fools" is the Talmudic mussar-over-flattery operational preference: the Sitra Achra's primary social weapon is the "song of fools" — the surrounding culture's enthusiastic endorsement of destructive choices — and the warrior who has cultivated a preference for correction over validation is insulated against this vector.
• Avot 4:15 (Rabbi Elazar of Modiin: "One who desecrates holy things, despises the festivals, humiliates his neighbor publicly, annuls the covenant of Abraham, and is arrogant in Torah interpretation has no share in the World to Come") parallels Ecclesiastes 7:16 "be not overly righteous, and do not make yourself too wise. Why should you destroy yourself?" — the Talmudic warning against over-righteousness targets the self-destructive perfectionism that the Sitra Achra uses as a trap: by inducing the warrior to demand impossible purity of himself, it converts his strength into a self-destruct mechanism.
• Kiddushin 30b teaches that without Torah the Yetzer Hara burns incessantly — Ecclesiastes 7:26 "I find something more bitter than death: the woman whose heart is snares and nets, and whose hands are fetters" is the same Yetzer Hara-as-seductress warfare intelligence that Proverbs detailed: Kohelet's life-experiment confirmed the Yetzer Hara's operational mechanics at the highest level of royal exposure.
• Sanhedrin 38b teaches that God created Adam as a single being to teach humility — Ecclesiastes 7:29 "see, this alone I found, that God made man upright, but they have sought out many schemes" is the Talmudic fall-doctrine compressed: the soul was created tamim (upright/complete) and the Sitra Achra's primary operation is the introduction of "schemes" — the multiplication of strategies that replace the original unified orientation toward God with a proliferating set of competing loyalties.