41. You give students knowledge but you can't make them think.
42. People in glass houses shouldn't throw stones.
43. Every cloud has a silver lining.
44. Beauty is only skin deep.
45. You can't teach an old dog new tricks.
46. Don't cross the bridge until you get to it.
47. All work and no play make Jack a dull boy.
48. Money burns a hole in your pocket.
49. Don't change horses in the middle of a stream.
50. Every dog has its day.

41. Students will learn only if they want to.

42. Only the blameless should blame others.
43. We can learn something from each misfortune.
44. Inner beauty will never grow old.
45. Some people with bad habits never change.
46. Don't solve problems until they happen.
47. You do better with good rest and relaxation.
48. Don't spend all your money - save some.
49. Minimize changes when in the middle of a plan.
50. Even the lazy and wicked win sometimes.