2. Every setback or unfavorable mutation carries the same or greater beneficial seeds. (USA)
3, no harm to everyone. (USA)
Recognizing a poisonous thing is equivalent to finding a good medicine. (North Korea)
The reason why benevolent people do bad things is to publicize the benefits of the world, except the harm of the world. (Mozi)
6, don't do things that harm others and benefit themselves, work successfully, not expensive foreign things, and the people are enough. (Shangshu)
7, don't do useless work, don't be useless. (pipeline)
This fish is delicious, but don't swallow its thorns. (Guinea)
9. Don't fry chicken feathers with hens. (Russia)
10, for the world, one hundred is harmless; If it weren't for the users, a chapter wouldn't help. (in general)
1 1. Everything has four faults. (Zhuangzi)
12, both advantages and disadvantages.
13, needle has no advantage, vine has no sweetness at both ends.
14, every benefit has its burden. (USA)
15, the line is good and the line is bad.
16, there are consequences, advantages and disadvantages.
17, interests are linked.
18, eat the Yellow River water to stop the Yellow River disaster.
19, people see benefits without harm, fish see food without hooks.
20, sharpening a knife does not cut people by mistake.
2 1, the trees are big and shady, and the high water level in the dike is also dangerous.
22. You can't hate rats for eating food and setting fire to the warehouse.
23. Every bad thing has a good side. Britain)
24. For me, a shirt suits me better than a coat. (Bismarck)
25. It is better to eat jiaozi than to enjoy flowers. (Japan)
26. It is better to grow flowers than vegetables, and it is better to raise chickens than birds.
27. The eagle in the sky is not as good as the sparrow in his hand. (Spain)
28. The crane in the sky is not as good as the domestic bird in your hand.
29. Gold in hand is not as good as copper in hand. (France)
30. The big carp swimming in the pool is not as good as the small carp on the table. (Bulgaria)