Bhagavad Gita · Chapter 1: Arjuna's Despair
Bhagavad Gita 1.24
एवमुक्तो हृषीकेशो गुडाकेशेन भारत ।
सेनयोरुभयोर्मध्ये स्थापयित्वा रथोत्तमम् ॥
evamukto hṛṣīkeśo guḍākeśena bhārata | senayorubhayormadhye sthāpayitvā rathottamam ||
Addressed in this way by Arjuna, O descendant of Bharata, Krishna drew up that finest of chariots between the two armies,
Modern context
Krishna does exactly what he is asked, without comment. He knows what the sight will do to Arjuna and lets him see it anyway. A good teacher does not shield a student from the question that the student most needs to face.