How to understand the sentence "make good friends, be happy to make friends, and not make bad friends"?

Friends should be cautious when meeting, dogs and wolves are not close, fair-weather friends are not bosom friends, and everything is different in an emergency.

When you make friends, you will know people's hearts after a long time. When you are in trouble, you will show your true feelings. It is rare to send charcoal in the snow.

Money is hard to be true, icing on the cake. Ordinary love is the brother of the ends of the earth, and it is beneficial to choose friends carefully.

Keep friends at arm's length, but good friends should be blind dates. What you pay is virtue, whether you are rich or poor.

A gentleman is as light as water, but his love becomes more sincere with age. The population is as small as honey, and suddenly he looks like an enemy.

When friends get along, they should have the chivalrous spirit of drawing swords to help each other, and treat people with a pure heart.

Know yourself and yourself, and compare your heart with yours.

Wine meets bosom friends, and poetry is sung to those who meet.

Friends in the world, know yourself and know yourself.

Meeting is like meeting for the first time, but there is no resentment in the end.

A man knows his companion in a long journey and an inn.

Money is like dirt, and righteousness is worth a thousand dollars.

Near Zhu Zhechi, near Mexico is black,

Those who are close to the sages are wise, and those who are close to the talents are wise.

It is foolish to approach an idiot, but virtuous to approach a kind person.

Close to the wise, close to the fool, darkness,

He who approaches fools flatters people; Close to thieves, thieves.

Making friends with money and sex are all with a purpose. When the money is spent and the color fades, the friendship is over.

People who can cater to me will definitely hurt me, so I have to be especially careful; People who are willing to give me advice will certainly help me, and they should listen to their opinions.

From the appearance, people are the noblest, dogs are the lowest, and just dogs are better than unjust people.

The best friend is the kind of person who doesn't like to talk much, but can silently face you and connect with you closely.

Friends must help each other in adversity. That's true friendship. No matter what difficulties you meet, he is willing to share them with you.

Advise friends where there are no people, praise friends where there are many people.

Who can meet a friendship once in his life, experience the state of being kind to each other and taste the joy of heaven and earth?

Friendship is more precious than honor, wine and love. It makes people happier.