Yaakov, Yosef and sibling jealousy

Hi,

"Reish Lakish said, citing R’ Elazar ben Azaryah: One must not vary his treatment of one child among others, for via the striped cloak that our father Yaakov made for Yosef, ‘They hated him.’"

(Midrash, Bereishit Rabbah 84:8)

Have a great day,
Mordechai