(3) He used to say: do not despise any man, and do not discriminate against anything, for there is no man that has not his hour, and there is no thing that has not its place.

(7) When Joseph saw his brothers, he recognized them; but he acted like a stranger toward them and spoke harshly to them. He asked them, “Where do you come from?” And they said, “From the land of Canaan, to procure food.” (8) For though Joseph recognized his brothers, they did not recognize him.

(1) ויתנכר אליהם, “he acted like a stranger to them.” His reasoning was that if he would reveal his identity, they would say to him: “if you expect us not to reveal your true identity, you are also sworn not to reveal our true identity.” Alternately, his reasoning was that he would frighten them into trying to flee. As a result, he would cause his father untold additional anguish. It would therefore be better that they would appear before him because they had no choice not to do so, as they needed the supplies that only he could provide. This would provide him with the chance to force them to bring Binyamin down to Egypt and he would detain him there. As a result, the fact that he was Joseph would become known.

וירא יוסף את אחיו, Joseph saw his brothers, etc. When he saw them he felt as their brother and displayed friendliness towards them. It was only from the brothers' side that he appeared as a stranger. The Torah emphasises that he acted like this because the brothers did not recognise him. Joseph could speak to them sternly without the brothers taking offence as brothers. After all, he was a stranger to them. Joseph's whole purpose was to devise a scheme whereby also Benjamin would come to Egypt. He also wanted to test them to see how they felt now about what had transpired between them many years ago. He then became aware that they were sorry for what they had done to him and considered themselves as having committed a sin against him.

וירא יוסף...ויכירם, our sages explain that the fact that Joseph had left home when he did not have a beard yet, whereas his brothers already had beards accounts for the fact that whereas they did not recognise him, he recognised them. (quoted by Rashi) It is possible that they would have recognised him in spite of his having grown a beard if they had not seen the man confronting them dressed in the uniform of the highest ranking nobles of the land. They could not imagine that this man could be Joseph even if there had been points of resemblance. The idea that someone who had been sold into slavery had risen to such power was too mind-boggling for them.

Rabbi Yehoshua ben Levi said to Elijah: When will the Messiah come? Elijah said to him: Go ask him. Rabbi Yehoshua ben Levi asked: And where is he sitting? Elijah said to him: At the entrance of the city of Rome. Rabbi Yehoshua ben Levi asked him: And what is his identifying sign by means of which I can recognize him? Elijah answered: He sits among the poor who suffer from illnesses. And all of them untie their bandages and tie them all at once, but the Messiah unties one bandage and ties one at a time. He says: Perhaps I will be needed to serve to bring about the redemption. Therefore, I will never tie more than one bandage, so that I will not be delayed.Rabbi Yehoshua ben Levi went to the Messiah. He said to the Messiah: Greetings to you, my rabbi and my teacher. The Messiah said to him: Greetings to you, bar Leva’i. Rabbi Yehoshua ben Levi said to him: When will the Master come? The Messiah said to him: Today. Sometime later, Rabbi Yehoshua ben Levi came to Elijah. Elijah said to him: What did the Messiah say to you? He said to Elijah that the Messiah said: Greetings [shalom] to you, bar Leva’i. Elijah said to him: He thereby guaranteed that you and your father will enter the World-to-Come, as he greeted you with shalom. Rabbi Yehoshua ben Levi said to Elijah: The Messiah lied to me, as he said to me: I am coming today, and he did not come. Elijah said to him that this is what he said to you: He said that he will come “today, if you will listen to his voice” (Psalms 95:7).