कर्मण्येवाधिकारस्ते मा फलेषु कदाचन ।

मा कर्मफलहेतुर्भूर्मा ते सङ्गोऽस्त्वकर्मणि ॥२- ४७॥

Recitation, breakdown, reordering, translation, and commentary.

Veritasium has a 12-minute video on how we take excessive credit for both success and failure.