Explanation
Emphasizes that 'it is precisely Noun that ...', then adds a contrasting or additional point.
Formation
Noun + こそ + (statement) + が + (contrasting/additional statement)
Detailed explanation
「Noun こそ～が」highlights the importance or uniqueness of the noun. It often translates as 'Yes, Noun is indeed ... , but ...'. The 'が' introduces a second, sometimes contrasting statement.
Examples
Okane koso hitsuyou da ga, sore dake ga jinsei no subete de wa nai.
Money is indeed necessary, but it isn't everything in life.
Doryoku koso daiji da ga, kekka mo minogasenai.
Effort is certainly crucial, but results also matter.
Kenkou koso takara da ga, toki ni wa shigoto o yuusen sezaru wo enai.
Health is indeed a treasure, but sometimes you have to prioritize work.
Ai koso chikara da ga, hyougen suru no wa muzukashii.
Love is certainly a powerful force, but it's difficult to express.
Practice
Grammar content sourced from hanabira.org.