These qualities are found in many sutta.
These are the four determinations: the determination
for discernment (wisdom), the determination for truth, the
determination for relinquishment, the determination for calm (peace).
MN 140
~~~
'We will develop mindfulness...we will pursue it, hand it the reins and take it as a basis, give it a grounding, steady it, consolidate it
and undertake it well.' That is how you should train yourselves.
SN 47.20
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And what is the faculty of persistence? There is the case where a monk, a disciple of the noble ones, keeps his persistence aroused for
abandoning unskillful mental qualities and taking on skillful mental
qualities. He is steadfast, solid in his effort, not shirking his
duties with regard to skillful mental qualities. He generates desire,
endeavors, arouses persistence, upholds & exerts his intent for the
sake of the non-arising of evil, unskillful qualities that have not
yet arisen... for the sake of the abandoning of evil, unskillful
qualities that have arisen... for the sake of the arising of skillful
qualities that have not yet arisen... [and] for the maintenance,
non-confusion, increase, plenitude, development & culmination of
skillful qualities that have arisen. This is called the faculty of
persistence.
SN 48.10
~~~
Chanda mūlakā sabbe dhammā
All dhamma-practises are rooted in 'chanda' (wholesome desire; zeal; devotion).
AN 10.58