Joseph shows himself to his brothers

What is Joseph doing? Does he want revenge? Why does he order to put his special goblet in the sack of grain of Benjamin? These parashot, miketz and vayigash, show the wisdom of Joseph. With it he helps his brothers to see and acknowledge their guilt.
English spoken. The download contains 2 recordings:
23 MB mp3 – Genesis 44:1 – 17
26 MB mp3 – Genesis 44:18 – 47:2725 MB mp3