To walk in the world, you must have wealth. Friends like pigs and dogs will come naturally. It is useless and harmful to hang out with other people. Only by recognizing people with your eyes can you be real. What does the whole paragraph mean?

People must be rich. If you are rich, you will naturally gather a bunch of friends around you. These people are not necessarily true friends, some are just to get benefits from you, but as you get older, You will feel that it is important for friends to be truly close to each other. Friends who are fair-weather friends are just passing by, and most of them cannot share the same adversity.