Thanissaro Bhikkhu book: Right Mindfulness

https://archive.org/details/BookTreatiseThanissaroBhikkhuRightMindfulness

SN 46.1, SN 46.2, SN 46.3 The Real Bojjhanga parittas, Pali, and some in English

SN 46 Bojjhaṅga Saṃyutta

18 vaggas, 184 suttas

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SN 46.1 Himavanta: Himalayas: 🔗🔊 pli 3m STED 7sb formula with a beautiful simile of mighty dragon descending from himalayas
SN 46.2 Kāya: Body: 🔗🔊 pli 7m Simile of body to show what 5niv and 7sb are feeding on. I.e. what supporting conditions for all factors.
SN 46.3 Sīla: Virtue: 🔗🔊 pli 6m Shows how listening and reflecting on Dhamma leads you into 2nd Jhāna


You definitely want to memorize the compressed form of SN 46.3. (See the snyopsis of SN 46.3 sutta text link above).
It's the heart of EBT meditation, probaby the most frequently occurring meditation instructions in the suttas, along with the standard 4 jhana formula.

By interesting coincidence, I found that the pace I read it, takes 37 seconds to read.
How cool is that? (trim off 4 seconds of silence at end of recording)
https://archive.org/details/sn46-003-pli-rdrfrn/sn46-003-compressed-pli-rdrfrn.mp3