Following the logic that self-preservation is the first law of nature, he wanted to break Diti's promise. Thus he engaged himself in the service of Diti, his aunt, who was residing in an asrama

Expressions researched:
"Following the logic that self-preservation is the first law of nature, he wanted to break Diti's promise. Thus he engaged himself in the service of Diti, his aunt, who was residing in an asrama"

Srimad-Bhagavatam

SB Canto 6

Following the logic that self-preservation is the first law of nature, he wanted to break Diti's promise. Thus he engaged himself in the service of Diti, his aunt, who was residing in an asrama.

SB 6.18.56, Translation

O King, who are respectful to everyone, Indra understood Diti's purpose, and thus he contrived to fulfill his own interests. Following the logic that self-preservation is the first law of nature, he wanted to break Diti's promise. Thus he engaged himself in the service of Diti, his aunt, who was residing in an āśrama.