Anguttara Nikàya
1. EkakanipàtaIII. Akammanãya Vagga
AN1.21 ~ AN1.30 : Not manageable
21.Bhikkhus, I do not know of a thing so unmanageable as the undeveloped
mind.
The undeveloped mind is unmanageable. This is the first.
22. Bhikkhus, I do not know a thing so adaptable as the developed mind.
The developed mind is adaptable This is the second.
23.Bhikkhus, I do not know a thing so detrimental as the undeveloped mind.
The undeveloped mind is detrimental. This is the third.
24.Bhikkhus, I do not know a thing so harmless as the developed mind.
The developed mind is harmless. This is the fourth.
25. Bhikkhus, I do not know a thing so detrimental as an undeveloped,
secretive mind.
The undeveloped secretive mind is detrimental. This is the fifth.
26. Bhikkhus, I do not know a thing so harmless as the developed manifest
mind.
The developed, manifest mind is harmless. This is the sixth.
27. Bhikkhus, I do not know a thing that is so detrimental as an undeveloped
mind that has no practice.
The not practicing, undeveloped mind is very
detrimental. This is the seventh.
28. Bhikkhus, I do not know a thing that is so harmless as a developed mind
that makes much of it.
The practicing developed mind is harmless.
This is the
eighth.
29. Bhikkhus, I do not know a thing that brings unpleasantness as an
undeveloped mind.
The undeveloped mind brings unpleasantness. This is the
ninth.
30. Bhikkhus, I do not know a thing that brings pleasantness as a practicing
developed mind.
The practicing developed mind brings pleasantness.
This is the
tenth.