Jacob’s beauty was like Adam and looking at him was like looking at the Light of Tiferet, Zeir Anpin. Rabbi Yesa says that he heard that seeing Jacob with his clothing in a dream means that the dreamer receive additional lifetime.
Rabbi Shimon teach that King David was suppose to come to this world and die immediately. Adam received life for 1000 years but gave 70 years to King David. The Zohar explains that it means that the soul of Adam and David were present in the world during the first 1000 years of Creation.
Daily Zohar # 2598 – Vayishlach – 1000 – 70 = 1000