The daily practice formula"

Concept: Kriyā-yoga = tapas (discipline), svādhyāya (self-study), Īśvara-praṇidhāna (surrender).
Why it’s ācāra: This is Patanjali’s practical routine template: every day includes some effort/discipline, some reflection or study, and some act of surrender. It’s how you “live yoga” in action.  
Where: Sūtra 2.1 – tapas svādhyāya īśvara-praṇidhānāni kriyā-yogaḥ.

Stable routine + non-attachment: 

Concept: Abhyāsa (steady practice) + vairāgya (non-attachment) are the two pillars for quieting the mind.  
Why it’s ācāra:

• 1.12–1.13 define practice as effort to stay in a chosen state and to be repeated.

• 1.14 gives the routine formula: long time, without break, with devotion – this is pure ācāra language.
  Where:

• 1.12 – abhyāsa-vairāgyābhyāṃ tan-nirodhaḥ (control of the mind through practice and non-attachment).  

• 1.13–1.14 – what abhyāsa is, and how it becomes “firmly grounded” (dīrgha-kāla, nairantarya, satkāra).  

These lines are your “routine must be: long-term, consistent, and respected” script.

Concept: Eight-limbed yoga = yama, niyama, āsana, prāṇāyāma, pratyāhāra, dhāraṇā, dhyāna, samādhi.  
Why it’s ācāra: It’s not just a list; it gives an order and structure – how a practitioner organises life: ethics → personal habits → body → breath → senses → mind.
Where: Sūtra 2.29 – yama niyama āsana prāṇāyāma pratyāhāra dhāraṇā dhyāna samādhi aṣṭau aṅgāni.

Relational conduct (outer ācāra):

Concept: Five yamas – ahiṃsā, satya, asteya, brahmacarya, aparigraha.  
Why it’s ācāra: These define how you interact daily with people, money, energy, and possessions – i.e., your behavioural routine in society.
Where:

• Sūtra 2.30 – list of yamas.  

• 2.31–2.39 – effects when they become “firm” (e.g. stable ahiṃsā → no hostility nearby).  

You can treat this cluster as “inter-personal routines & boundaries.”

Personal habits (inner ācāra)

Concept: Five niyamas – śauca, santoṣa, tapas, svādhyāya, Īśvara-praṇidhāna.  
Why it’s ācāra: These are self-care and inner routine rules: cleanliness, contentment with what is, disciplined effort, daily study, and regular remembrance/surrender.
Where:

• Sūtra 2.32 – list of niyamas.  

• 2.40–2.45 – results of each niyama (e.g. śauca → disinterest in one’s own body and contact with others).  

This is your “daily personal routine” backbone.

Obstacles (antarāya) & wrong “routines”: 

Concept: Nine obstacles including illness, dullness, doubt, carelessness, laziness (ālasyā), lack of progress, instability, etc. Signs include disturbed breath and low mood.  
Why it’s ācāra: They describe what happens when routines are off – overwork, chaotic life, or tamasic collapse. You can frame them as examples of unhealthy ācāra.
Where: Sūtra 1.30–1.31 – list of obstacles and their symptoms.

Concept: Six causes by which “yoga perishes”: overeating (atyāhāra), over-exertion (prayāsa), talkativeness (prajālpa), rigid/pointless rule-obsession (niyamāgraha), bad company, and restlessness/inconsistency (laulyam).  
Why it’s ācāra: They define what NOT to make routine. Overwork, overstimulation and poor company are framed as direct threats to yoga.
Where: Chapter 1, verse 15 (HYP 1.15).

Six supports – attitudes for sustainable routine

Concept: Enthusiasm, courage, perseverance, accurate knowledge, firm resolve, and avoiding unsuitable company are listed as supports to success.  
Why it’s ācāra: These are qualitative guidelines for how to hold a routine: consistent, courageous, long-term, with right understanding.
Where: Chapter 1, verse 16 (HYP 1.16).

Concept: Commentarial material on Gheranda summarises qualities required: continuous practice, steadiness, control of senses, right company, and so on.  
Why it’s ācāra: Defines how a practitioner “shows up” every day – mentality, discipline, and relational boundaries.
Where: GS 1.5 and related discussions in scholarly articles on “qualities of yoga practitioners.”