A good idea will keep you awake during the morning, but a great idea will keep you awake during the night.

In this quote, Marilyn vos Savant emphasizes the difference between a good idea and a great idea in terms of their impact on the mind. A good idea, according to vos Savant, is something that excites and motivates you during the day, likely keeping you energized and focused. However, a great idea has a much deeper effect—it stirs you so profoundly that it occupies your thoughts throughout the night, preventing you from sleeping because you're constantly thinking about its potential and how to bring it to fruition.

The quote suggests that a great idea goes beyond mere inspiration; it becomes a force that dominates your thoughts, igniting a passion that doesn’t fade after the workday ends. Great ideas tend to challenge us, pushing us to think in new and innovative ways. They spark a level of commitment and curiosity that keeps us mentally engaged at all times, often leading to breakthroughs or shifts in perspective.

The origin of the quote is from Marilyn vos Savant, an American magazine columnist and author known for her work in problem solving and logic. Vos Savant gained fame for her remarkable IQ and her ability to tackle complex questions in her column in Parade magazine. Her perspective on ideas aligns with her intellectual approach, suggesting that truly transformative ideas have a unique power to captivate and engage the mind on a deeper level.

Ultimately, this quote highlights the difference between fleeting inspiration and enduring creativity. Vos Savant’s words remind us that a truly great idea doesn’t just spark short-term excitement—it becomes a driving force that occupies your thoughts and motivates you to work tirelessly toward making it a reality, even if it keeps you awake at night.