You can cheat an honest man but not make a fool out of him.
The hardest thing of all is to find a black cat in a dark room, especially if there is no cat.
He who crosses the ocean twice without washing is a dirty double crosser.
A bit of fragrance always clings to the hand that gives roses. If you are generous, you will gain everything.
Better than the one who knows what is right is the one who loves what is right.
First and foremost, be faithful to your superiors, keep all promises, refuse the friendship of all who are not like you; and if you have made a mistake, do not be afraid of admitting the fact and amending your ways.