Template:Quest/hint

that it's not possible to know if soomene really understood, since the concept is in the teacher's head, the receiver would have to read the giver's mind to know if he understood.Then I completed that worst than it is when soomene replies, Yes, I understood!' How does he knows he understood? Do people actually read other's mind and I didn't know that?I really liked this post. Purely logical and true.