From the Chassidic Masters

Abraham and Ishmael, Abraham and Isaac--a study in the difference between likeness and semblance

Ishmael's mother was the Egyptian Hagar, while Isaac was born to the righteous Sarah. But Jacob and Esau were twins; what explain their divergent characters?

Who was Isaac? Even in Toldot, the only Parshah devoted primarily to Isaac’s 180 years, we are hard-pressed to find some clues to his identity and personality.

What was Isaac thinking? a closer reading of the text--and subtexts--of the story of the "stolen blessings" reveals a debate between Isaac and Rebecca beyond the commonly-thought "favorite son" contest