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; continuance in being, maintenance of life, continued existenceprajñā - special knowing; insight; wisdom, intelligence, knowledge, discrimination, judgementsamādhi - putting together; communion; combining; integration

Commentaries and Reflections

Commentary by 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.