evidence: An image shared on Facebook claims founding father Thomas Jefferson once said, "Do you want to know who you are? Don’t ask. Act! Action will delineate and define you." [...] Jefferson’s estate at Monticello considers it a "spurious quotation." It actually comes from Polish writer Witold Gombrowicz. [...] The Thomas Jefferson Foundation, which maintains his estate at Monticello, includes the statement on its "spurious quotations" list. (RELATED: Did Thomas Jefferson Say, ‘Nothing Can Stop The Man With The Right Mental Attitude From Achieving His Goal’?)