Robert Christy, comp. Proverbs, Maxims and Phrases of All Ages. 1887.
Diligence
A man diligent in business shall stand before kings; he shall not stand before mean men.Bible.
Diligence is the mother of good fortune.
Diligence is the mother of success.Don Quixote.
The lapse to indolence is soft and imperceptible, but the return to diligence is difficult.Rambler.
To perfect diligence nothing is difficult.Chinese.