Mental
Release is caused by Understanding!

The Blessed Buddha once explained the chain
of causal events:
Association
with a Great Man
completes hearing the
True Dhamma..
Hearing the true
Dhamma
fulfils
Faith, Confidence and Conviction..
Faith, confidence and
conviction
rounds off
Rational Attention..
Rational
attention executes Mindfulness and
Clear Comprehension..
Mindfulness and
clear comprehension
finalizes
Guarding the
Senses..
Guarding the senses
settles good mental, verbal and bodily
Behaviour..
Good modes of action
accomplishes the
Four Foundations of Awareness..
The
4 foundations
of Awareness completes the
7 Links to Awakening..
The
7 links to Awakening
perfects Mental
Release by
Understanding!

Details are outlined
here:
https://What-Buddha-Said.net/drops/IV/Dhamma_Contemplation.htm
https://What-Buddha-Said.net/drops/III/Lay_Faith.htm
https://What-Buddha-Said.net/drops/II/Careful_and_Rational_Attention.htm
https://What-Buddha-Said.net/drops/Clear_Comprehension.htm
https://What-Buddha-Said.net/drops/II/Guarding_the_Sense_Doors.htm
https://What-Buddha-Said.net/drops/II/Guarding_the_Senses.htm
https://What-Buddha-Said.net/drops/III/The_Five_Basics.htm
https://What-Buddha-Said.net/drops/III/Four_Foundations_of_Awareness.htm
https://What-Buddha-Said.net/drops/III/The_Seven_Links_to_Awakening.htm
https://What-Buddha-Said.net/drops/Understanding_is_the_Chief.htm
More on Mental Release (Vimokkha,
Vimutti):
The_8_Deliverances,
Freed by Knowing,
Fulfilling_Release_by_Wisdom,
Self-Control_Releases
Source:
The
Numerical Discourses of the Buddha:
Anguttara Nikāya V 115