וַיֹּ֙אמֶר֙ יִשְׂרָאֵ֔ל רַ֛ב עוֹד־יוֹסֵ֥ף בְּנִ֖י חָ֑י אֵֽלְכָ֥ה וְאֶרְאֶ֖נּוּ בְּטֶ֥רֶם אָמֽוּת׃
And Israel said: ‘It is enough; Joseph my son is yet alive; I will go and see him before I die.’
Read Kabbalistic (mystical) interpretations of Genesis 45:28: Zohar and classical Jewish mystical sources, free online.