Yoga citta vrtti nirodha
Yoga sutra 1.2
citta...mind, conciousness
vrtti...activity, function
-pravrtti...endeavoring to achieve what is desirable; proactive
-nivrtti...avoiding and eradicating what is undesirable; reactive
nirodha..."to prevent both streams" (pravrtti & nivrtti) from within
Srivastsa Ramaswami