21． nothing great was ever achieved without enthusiasm.
22． actions speak louder than words.
23． lifeless, faultless.
24． from small beginning come great things.
25． one today is worth two tomorrows.
26． truth never fears investigation.
27． the tongue is boneless but it breaks bones.
28． a bold attempt is half success.
29． knowing something of everything and everything of something.
30． good advice is beyond all price.
tomorrow never dies
a friend in need is a friend indeed.
we can judge a man by the friendship he keeps.
an idele youth , aneedy age.(少壮不努力,老大徒伤悲.)
35.doubt is the key of knowledge.
36.if you want knowledge,you must toil for it.
37.a little knowledge is a dangerous thing.
38.a handful of common sense is worth a bushel of learning.
39.knowledge advances by steps and not by leaps.
40.learn wisdom by the follies of others.
41.it is good to learn at another man’s cost.
42.wisdom is to the mind what health is to the body.
43.experience is the best teacher.
44.experience is the father of wisdom and memory the mother.
45.dexterity comes by experience.
46.practice makes perfect.
47.experience keeps a dear school,but fools learn in no other.
48. experience without learning is better than learning without experience.
49.wit once bought is worth twice taught.
50.seeing is believing.