What does the word diligence mean?

Usage examples for diligence

  1. It is the result of every- day experience that steady attention to matters of detail lies at the root of human progress; and that diligence, above all, is the mother of good luck. – Self Help by Samuel Smiles
  2. We breakfasted with her when we alighted from the diligence at six in the morning; and she took such a fancy to Barty that her own grandson was almost forgotten. – The Martian by George Du Maurier