Bhagavad Gita 2.54
Arjuna asked: My Lord! How can we recognize the saint who has attained Pure Intellect, who has reached this state of Bliss, and whose mind is steady? How does he talk, how does he live, and how does he act?
अर्जुन उवाच
स्थितप्रज्ञस्य का भाषा समाधिस्थस्य केशव।
स्थितधीः किं प्रभाषेत किमासीत व्रजेत किम्॥arjuna uvāca
sthitaprajñasya kā bhāṣā samādhisthasya keśava|
sthitadhīḥ kiṃ prabhāṣeta kimāsīta vrajeta kim||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).