וַיֹּ֨אמֶר יוֹסֵ֧ף אֶל־אֶחָ֛יו גְּשׁוּ־נָ֥א אֵלַ֖י וַיִּגָּ֑שׁוּ וַיֹּ֗אמֶר אֲנִי֙ יוֹסֵ֣ף אֲחִיכֶ֔ם אֲשֶׁר־מְכַרְתֶּ֥ם אֹתִ֖י מִצְרָֽיְמָה׃
And Joseph said unto his brethren: ‘Come near to me, I pray you.’ And they came near. And he said: ‘I am Joseph your brother, whom ye sold into Egypt.
Read Kabbalistic (mystical) interpretations of Genesis 45:4: Zohar and classical Jewish mystical sources, free online.