31. A new broom sweeps clean.
32. The pot often calls the kettle black.
33. One good turn deserves another.
34. A friend in need is a friend indeed.
35. Two wrongs do not make a right.
36. The pen is mightier than the sword.
37. Curiosity killed the cat.
38. Necessity is the mother of invention.
39. Actions speak louder than words.
40. Haste makes waste.

31. New servants work hard or new masters are severe.
32. It takes a bad man to identify the bad people.
33. You help someone - they help another.
34. People in need want to be your friend.
35. Don't return evil with evil.
36. Words can do what violence cannot.
37. Don't pry into other's business.
38. You create things you need.
39. Do something rather than tell me what you'll do.
40. No planning will cause lots of problems.