When those of Jewish blood exhibit moral or intellectual superiority, genius or special talent, we feel pride in them, even if they have abjured the faith like Spinoza, Marx, Disraeli or Heine. Despite the meditations of pundits or the decrees of council, our own instincts and acts, and those of others, have defined for us the term 'Jew.'

The quote by Louis D. Brandeis, "When those of Jewish blood exhibit moral or intellectual superiority, genius or special talent, we feel pride in them, even if they have abjured the faith like Spinoza, Marx, Disraeli or Heine. Despite the meditations of pundits or the decrees of council, our own instincts and acts, and those of others, have defined for us the term 'Jew,'" explores the complex nature of identity and heritage within the Jewish community. Brandeis acknowledges that Jewish identity transcends religious beliefs, encompassing shared cultural, intellectual, and historical ties that unite people regardless of their personal faith.

By citing notable figures such as Spinoza, Marx, Disraeli, and Heine, who either abandoned or critically engaged with traditional Jewish faith yet remain central to Jewish identity, Brandeis highlights the community’s pride in its members' achievements and contributions. This pride is rooted not just in religious adherence but in a broader understanding of what it means to be Jewish—a combination of bloodline, culture, and shared experience.

The quote emphasizes that attempts to rigidly define Jewish identity through external authorities ("meditations of pundits or the decrees of council") are less meaningful than the lived experiences and self-understanding of the people themselves. Brandeis points to the power of collective instinct and personal actions in shaping identity, showing that identity is fluid and self-defined rather than imposed.

The origin of this quote is from Louis D. Brandeis, the first Jewish Supreme Court Justice of the United States, who was known for his intellectual rigor and commitment to social justice. His reflections on Jewish identity speak to the nuanced and multifaceted nature of belonging, pride, and community in the face of both external definitions and internal evolution.

In summary, this quote highlights the enduring strength of cultural and intellectual heritage in defining Jewish identity, emphasizing pride in achievement and the lived reality over formal religious or external definitions.