Bhagavad Gītā Chapter Two verse 54

arjuna uvāca  |
sthitaprajñasya kā bhāṣā samādhisthasya keśava  |
sthitadhīḥ kiṃ prabhāṣeta kim āsīta vrajeta kim  ||

sthiti - staying or remaining or being in any state or condition; maintenance of life;prajñā - insightsamādhi - putting together; communion; combining; integration

Commentaries and Reflections

TKV Desikachar:

Kṛṣṇa has succeeded in involving interest from Arjuna in the qualities of one who has steady insight.
So Arjuna asks a question about the type of person within whom these qualities exist.