What are the poems and idioms about making friends?

Poems and idioms about "making friends" are:

1. and a friend of a gentleman is indifferent.

Source: Zhuangzi Miki

Author: Zhuangzi

Explanation: refers to the friendship between gentlemen based on morality, which is elegant and pure, as light as water.

It is such a delight to have friends coming so far.

Source: Learning the Analects of Confucius.

Author: Confucius

Commentary: Old friends are very happy to meet.

3. It's Jin Lan's turn

Explanation: refers to friendship, such as brotherly friends.

4. Friendship between bamboo and horses

Explanation: It refers to childhood.

5. A gentleman's friend

Explanation: refers to a friend who looks dull, but actually attaches great importance to morality.

6. bosom friends

Explanation: refers to friends who talk about everything and talk to each other.

7. At the turn of the century

Explanation: refers to friends who don't know each other regardless of rank.

8. Forgotten friends

Explanation: refers to a friend who promises each other with his heart and does not stick to the rules.