Greed is one of the common negative emotions in human nature, which makes us fall into a blind and selfish situation, thus damaging the interests of ourselves and others. Therefore, many wise men have left many famous sayings and aphorisms warning greed in the long river of history. Here are a few words:

1. "A gentleman loves money and takes it wisely." -from the Analects of Confucius. This sentence warns people that wealth is important, but it cannot damage moral and social norms.

2. "The snake swallows the elephant when the human heart is insufficient. The more some get, the more they want." -from the Warring States Policy. This sentence means that greedy pursuit of too many things will bring disaster.

3. "Money is everything, but not everything." -from "medical ancient books". This sentence warns us that money can bring material enjoyment, but moral value and meaning of life are irreplaceable.

4. "It's hard to fill one's needs"-from The Book of Songs. This sentence vividly expresses the feelings of suffering and dissatisfaction brought about by greed.

5. "In my opinion, greed is the greatest enemy of mankind." -from the novel A Tale of Two Cities by Charles Dickens. This sentence reveals the evil nature of greed more deeply and points out its harm to human civilization.

Generally speaking, these famous aphorisms remind us that greed will not only harm our own interests, but also have a negative impact on society. As a person with conscience and sense of responsibility, we should always be alert to ourselves and not be influenced by greed.