Kakashi holds on to the hope that Obito can return to being the young man that he remembers. But Obito has abandoned the present as well as the memories of his friends and will not try to stop the Infinite Tsukuyomi. Realizing that nothing more can be done, Kakashi comes to a decision to protect the world, while his former friend is determined to end it!
Since I don't know him very well,
I can look at this objectively.
،بما أنّي لا أعرف أحقّ المعرفة
بوسعي أن أنظر إلى هذا الأمر بموضوعيّة
Da ich ihn nicht sehr gut kenne,
habe ich ihn in aller Ruhe beobachtet.
No lo conozco bien, así que puedo 
ser más objetivo respecto de él.
No lo conozco bien, así que puedo 
ser más objetivo sobre él.
Non conoscendolo molto bene,
posso valutare la situazione oggettivamente.
Já que eu não o conheço muito bem,
posso ser objetivo quanto a isso.