●Nothing in the world is as dangerous as dove poison, but a good doctor can hide it in his bag and it will be useful (Huainanzi)

●Every setback or unfavorable mutation is a With the same or larger beneficial seeds (USA)

●There is no environment that harms everyone (USA)

●Recognize a poisonous thing, It's like finding a dose of good medicine (North Korea)

●The reason why benevolent people do bad things is that they must bring benefit to the world and eliminate harm to the world (Mozi)

●Don’t do useless things, do harm and good things, and the work will be accomplished. Don’t spend money on foreign things and use things, and the people will be satisfied (Shang Shu)

●Don’t do useless things, don’t do useless things (Guanzi)

●Fish is delicious, but don’t swallow it with its spines (Guinea)

●Don’t stir-fry chicken feathers with hens (Russia)

●No one can write a hundred articles for the world’s users Harm; if it is not used, a chapter will not help (Lunheng)

●Everyone has flaws, and everything has four troubles (Zhuangzi)

●Every advantage must have disadvantages

●A needle is good at both ends, and a cane is not sweet at both ends

●Every good thing has its burden (USA)

●There are advantages to doing things, and there are disadvantages to doing things.

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●Every effect must have a cause, and there must be advantages and disadvantages

●Benefits and harms are connected

●If you eat the water of the Yellow River, you must prevent the disaster of the Yellow River

●People see benefits but not harm; fish see food but not hooks

●Sharp a knife and hate the disadvantage, a sharp knife hurts a person's fingers

●The trees are big and the shade is great, and the embankments are high and the water is dangerous

●Can’t hate the rats eating the grain and setting fire to the barns

●Every bad thing has a good side (UK)

●For me, shirts are better than The top is more fitted (Bismarck)

●It is better to enjoy flowers than to eat dumplings (Japan)

●It is better to plant flowers than to grow vegetables, and to raise birds is worse than raising chickens

●The sky The eagle in your hand is not as good as the sparrow in your hand (Spain)

●The crane in the sky is not as good as the house sparrow in your hand

●The gold in your hand is not as good as the copper in your hand (France)

●The big carp swimming in the pond is not as good as the small crucian carp on the table (Bulgaria)

●One bird in the hand is worse than two birds in the bush (USA)

●An egg today is better than a chicken tomorrow (UK)

●Affordable benefits are as lovable as flowers (Europe)