頑張り屋さんは、頑張りすぎている。
頑張らなくても、十分頑張り屋さん。
頑張ってはいけない感じで丁度良い。
それくらいの方が心も体も丁度良い。
Hard-working people work too hard.
Hard-working people are hard-working enough without trying too hard.
It's just right not to work too hard.
The feeling of not working hard is just right for the mind and body.
