This is a saying from the Pali canon, upadhi dukkhassa mūlanti, which means “Attachment is the root of suffering.” So this is a genuine canonical quote.
You’ll find it in this sutta, but translated by Thanissaro as “Acquisition is the root of stress.” His translations are rather idiosyncratic.
In this translation of the same sutta it’s “acquisition is the root of suffering.”
Bhikkhu Bodhi’s translation (not available online, but in The Middle Length Discourses of the Buddha, page 868) has “attachment is the root of suffering,” although he sometimes has “acquisition” in place of “attachment,” in various repetitions of the phrase.
As an elephant in the battlefield withstands arrows shot from bows all around, even so shall I endure abuse.
This is a genuine Buddha quote. It’s from the Dhammapada, verse 320.
“He who can curb his wrath as soon as it arises, as a timely antidote will check snake’s venom that so quickly spreads — such a monk gives up the here and the beyond, just as a serpent sheds its worn-out skin.”
The Buddha (from the Sutta Nipata)
This is a genuine quote from the Buddhist scriptures. It’s from the Sutta Nipata.
“Whatever precious jewel there is in the heavenly worlds, there is nothing comparable to one who is Awakened.” The Buddha
“There is nothing comparable to one who is Awakened.” The Buddha
“Should a person do good, let him do it again and again. Let him find pleasure therein, for blissful is the accumulation of good.” The Buddha (Dhammapada, verse 118)
From the Dhammapada:
“By oneself is evil done; by oneself is one defiled. By oneself is evil left undone; by oneself is one made pure. Purity and impurity depend on oneself; no one can purify another.”
“Purity and impurity depend on oneself; no one can purify another.” The Buddha
This is a genuine quote from the Buddhist scriptures. It’s from the Cetana Sutta, of the Anguttara Nikaya.
“It is in the nature of things that joy arises in a person free from remorse.” The Buddha
This is a genuine quote from the Buddhist scriptures. It’s from The Dhammapada.
“Delight in heedfulness! Guard well your thoughts!” The Buddha
From the Dhammapada, verse 180:
“The one in whom no longer exist the craving and thirst that perpetuate becoming; how could you track that Awakened one, trackless, and of limitless range?”
“How could you track that Awakened one, trackless, and of limitless range?” The Buddha
This is a genuine quote from the Buddhist scriptures. It’s from the Dhammapada:
“All experiences are preceded by mind, having mind as their master, created by mind.” The Buddha