Source identified
Read & copy the quotation
“It is impossible to overestimate the importance of forming a habit of cheerfulness early in life.”
- Date
- 1899
Meaning of “It is impossible to overestimate the importance of…”
Marden emphasizes repetition and early habit formation as central to the cheerful disposition promoted throughout the book.
Where does it come from?
Cheerfulness as a Life Power; Project Gutenberg #18394. This is period self-development advice and is presented as Marden’s historical claim rather than a modern clinical prescription.
