لخ is a word which is known to have a variety of meanings. In this case, it means “to be” or “to be equal”. “To be equal” means that we are in the same position or state. “To be in the same position” means that we are in the same position as someone else, and in this particular case, it means that we are equal in our ability to be aware.
To be, to be, is a literal translation of “equal”; we have to be, and that is something we are. To be a member of the same family means that we are one and the same. A member of the same family means that we are in the same position as another, and that is that we are both members of the same family.