Historical clue formulations

• Creative spark, in slang — 2026-05-24
• Source of motivation, in modern lingo — 2026-01-12
• Source of motivation, informally — 2025-12-19
• Creative motivation, in online slang — 2025-04-13
• Creative spark, for short — 2024-11-05
• Creative spark, informally — 2024-10-13
• Motivational content, in modern slang — 2023-08-13