I think that the singer in the song is still very confused as to what he believes is going to happen after death, and so he is asking his friend who he would normally turn to for advice, but who is now dead not to forget him and to help him sift through all of the different religious and scientific answers out there to find the truth -- "Can't you stop the lies falling from the skies" -- but I dont understand the part about his conscience being clear.
I think that the singer in the song is still very confused as to what he believes is going to happen after death, and so he is asking his friend who he would normally turn to for advice, but who is now dead not to forget him and to help him sift through all of the different religious and scientific answers out there to find the truth -- "Can't you stop the lies falling from the skies" -- but I dont understand the part about his conscience being clear.