Bhagavad Gita 14.24
समदुःखसुखः स्वस्थः समलोष्टाश्मकाञ्चनः।तुल्यप्रियाप्रियो धीरस्तुल्यनिन्दात्मसंस्तुतिः।।14.24।।
Samaduhkhasukhah svasthah samaloshtashmakanchanah, tulyapriyapriyo dhirastulyanindatmasanstutih
Simple meaning, written by AIOne who is equal in pleasure and pain, established in the self, sees a clod, a stone, and gold as the same, and is equal toward the pleasant and unpleasant, steady, and equal in blame and praise.