To save anyone downloading it to find out what it is, it's called "Ordination Procedure" and is by Somdet Phra Mahasamana by Chao Krom Phraya Vajirananavarorasa, and on Buddhanet it is 150 pages.
"Having understood name-and-form, which is a product of prolificity,
And which is the root of all malady within and without,
He is released from bondage to the root of all maladies,
That Such-like-one is truly known as 'the one who has understood'." (Snp 3.6)
"Whether I were to preach in brief, Sāriputta, or whether I were to preach in detail, Sāriputta, or whether I were to preach both in brief or in detail, Sāriputta, rare are those who understand." (A I 333, Sāriputtasutta)