. Diligence is the mother of luck, and God gives everything to diligence. Just do it today, because you don’t know how inconvenient it may be for you tomorrow; one today is worth two tomorrows, and don’t leave for tomorrow what you can do today. (American, Franklin)

2. The only way to manage life is to be diligent. (Qing, Li Wenzheng)

3. Diligence is the best cure for illness and misery. (English, Carlisle)

4. A diligent farmer is nobler than a sitting gentleman. (American, Franklin)

5. "The future" belongs to those who work hard. (France, Montesquieu)

6. Good opportunities are of no use to laziness, but diligence can turn the most ordinary opportunities into good opportunities.

(Germany, Martin Luther)