Team Kakashi are stunned to learn that Sai's true mission is to kill Sasuke.  Naruto wants to believe that the smile Sai showed them was real, but there is a possibility that it was all an act.
Although at the beginning,
...رُغم أنّني في البداية
.أتيتُ إلى هنا بنيّة قتلك
Eigentlich bin ich gekommen,
Aunque al principio,
Aunque al principio
Anche se, in principio, la mia intenzione
 era quella di eliminarti.
Mesmo que no começo
Хотя изначально