Historical clue formulations

• Philosopher's pursuit — 2025-05-18
• Gospel — 2025-04-10
• "Agreed!" — 2024-02-08
• "Preach!" — 2023-05-21
• It's "rarely pure and never simple," per Oscar Wilde — 2022-11-13
• See 53-Across — 2022-07-03
• It's "rarely pure and never simple," Oscar Wilde once wrote — 2021-08-13
• What a saw often has — 2015-03-21
• Tell it to the judge — 2015-01-07
• "The ___ is out there" (catchphrase on "The X-Files") — 2011-12-20
• Ministry of ___, in "1984" — 2008-04-20
• "Ain't it the ___?!" — 2006-02-06
• It's a fact — 2005-11-14
• It's a fact — 2002-07-23
• Matter of fact? — 2001-01-01
• Gospel — 2000-11-17
• Kind of serum — 2000-03-22
• Firm fact — 1999-06-22
• Veridicality — 1997-02-23