This quote is written / told by Agatha Christie between September 15, 1890 and January 12, 1976. He/she was a famous Writer from England.
The author also have 31 other quotes.
"The man who makes everything that leads to happiness depends upon himself, and not upon other men, has adopted the very best plan for living happily. This is the man of moderation, the man of manly character and of wisdom"