Two parallel lines will not intersect, and I am also a passer-by. What do you mean?

Two parallel lines don't intersect, just like their relationship, they just meet briefly and won't stay in life for long.

1, two parallel lines will not intersect, which is a basic concept in geometry. In daily life, this concept is often used to vividly describe the relationship between two people, just like two parallel lines that will never intersect, and there is no intersection or connection between them.

This is an original sentence. This expression comes from literature or poetry. It is used to describe the short-lived relationship or encounter between two people, emphasizing the brevity and insignificance between two people, so two parallel lines will not intersect, and I am also a passer-by. This sentence means a short encounter and won't stay in life for too long.