桜切る馬鹿、梅切らぬ馬鹿
Meanings
1
only a fool prunes cherry trees, and only a fool does not prune plum trees
Proverb contrasting the care of cherry and plum trees: cherry trees are delicate and should not be pruned carelessly, while plum trees benefit from pruning. Used to illustrate that different things require different approaches.
There is a proverb: 'Only a fool prunes cherry trees, and only a fool does not prune plum trees.'