In George Eliot's "Middlemarch," the author explores the notion that individuals with the ability to conceive profound ideas often find themselves advancing those thoughts before old age can hinder their progress. This implies a relationship between intellectual capability and the urgency of action, suggesting that those who think deeply are driven to realize their visions while they still possess the vitality to do so.

This quote reflects a broader theme within the novel regarding the pursuit of ambition and the fleeting nature of time. Eliot highlights how the vigor associated with youth can be an impetus for intellectual and practical achievements, urging the reader to contemplate the interplay between thought and action as one navigates the challenges of life.