"As I told you at the beginning of the case and I repeat now, you must decide this case only on the evidence which has been placed before you. The evidence in this case is, as I have told you, what you see and hear when sitting as the jury of twelve together in court. That is all. There will be no more evidence ..."
"... you must not speculate about what other evidence there might have been or upon matters which have not been canvassed in court."