The article discusses the exploration of Thoreau's "Walden" with a study partner in Jerusalem, highlighting the parallels between Thoreau's writings and traditional Jewish learning.

Rebecca Goldstein's book "Betraying Spinoza: The Renegade Jew Who Gave Us Modernity" sparked intense engagement from a previous reader, evidenced by extensive notes and comments in Yiddish, English, Spanish, and Hebrew throughout the text.

Baruch (Benedictus) Spinoza's treatise, "Theological-Political Treatise," sparked controversy for its radical theological and political ideas.