During the boulder training, Tanjiro is able to move the boulder thanks to Genya's training advice. However, Tanjiro has used all of his power to do so and he is saved by Himejima after he collapses. Himejima, moved by Tanjiro's genuineness, begins to talk to him about his past...
You never lied.
.لم تكذب أبدًا
Auch lügst du nicht
und gehst zielstrebig deinen Weg.
No mientes. Eres sincero y honesto.
non hai mentito e 
sei sempre stato onesto e fedele a te stesso.
Nunca mentiu.