«Довести до белого каления» (To drive to a white heat / To drive someone to the limit)

"How one could be driven to белое колено if it's always with you?" — this is the question pondered by Brahima Togola, a curious student from Mali. We reached out to a senior teacher at the Pushkin State Russian Language Institute to debunk the myth of that "knee" and shed light on the true meaning of this idiomatic expression.