Three things are helpful, etc.

What three things are helpful? Associating with good people, listening to the true teaching, and practicing in line with the teaching.

What three things should be developed? Three kinds of immersion. Immersion with placing the mind and keeping it connected. Immersion without placing the mind, but just keeping it connected. Immersion without placing the mind or keeping it connected.

What three things should be completely understood? Three feelings: pleasant, painful, and neutral.

What three things should be given up? Three cravings: craving for sensual pleasures, craving for continued existence, and craving to end existence.

What three things make things worse? Three unskillful roots: greed, hate, and delusion.

What three things lead to distinction? Three skillful roots: non-greed, non-hate, and non-delusion.

What three things are hard to comprehend? Three elements of escape. Renunciation is the escape from sensual pleasures. The formless is the escape from form. Cessation is the escape from whatever is created, conditioned, and dependently originated.

What three things should be produced? Three knowledges: regarding the past, future, and present.

What three things should be directly known? Three elements: sensuality, form, and formlessness.

What three things should be realized? Three knowledges: recollection of past lives, knowledge of the death and rebirth of sentient beings, and knowledge of the ending of defilements.

So these thirty things that are true, real, and accurate, not unreal, not otherwise were rightly awakened to by the Realized One.