Śūraṅgama Sūtra

The Śūraṅgama Sutra is the Buddha's Śarīra, the Buddha's Dharmakāya (truth body).

Śarīra

https://en.wikipedia.org/wiki/%C5%9Aar%C4%ABra

Representative of the Dharma (bilingual)

https://www.book853.com/show.aspx?id=213&cid=79&page=5

The four pure and clear teachings of Śūraṅgama Sūtra

You often hear me preach about the three Decision Dharma of practice in Vinaya. That is so-called, concentrate one's heart is the precepts; from the precepts comes samadhi; and out of samadhi arises wisdom. This is named Triśikṣā (threefold training).

Heart of Shurangama Mantra

Om

ā nà lì

pí sir tí

pí lā bá sir lo tuó lì

pán tuó pán tuó nǐ

bá sir lā

bàng ní pàn

hǔ xīn dū lú yōng pàn

shā pó ho

https://youtu.be/HCphih_e40M?si=90B-FXRmmwWY4AKf

Śūraṅgama Sūtra volume 8

When they are on the verge of dying, but when the final warmth has not left their bodies, all the good and evil they have done in that life suddenly and simultaneously manifests.

The Power of Śūraṅgama Mantra (Before drinking tea, recite the Shurangama Mantra silently to prevent poisoning)

https://youtu.be/dB7Cs7kw55w?si=JdHSHNR7_DoSxn7P