Crow is vulgar, dusk is dim, and dawn is full of vitality and light. Pigeons in the church don't kiss crows, because they are different. Dusk is not necessarily chasing dawn, but maybe they just do their job and keep their distance.
Pigeons in the church will kiss crows in the field
Next? It means that you should not fall in love with me as humble as dust because of the disparity in identity between the two sides.
A story from Christianity, the main idea of which is: clean and noble pigeons will not be compared with unclean crows.
Nowadays, it is used to describe the relationship between status and family.
Pigeons in the church don't kiss crows, which means: clean and noble pigeons can't be compared with unclean crows, and pigeons won't be nice to crows.