- 良心{りょうしん}に従って投票{とうひょう}する
- on one's conscience: 心にのしかかって、気付いて、良心にかけて、きっと、必ずYou'll always have two ignorant dudes on your conscious.This blood is on their conscious and they should go on trial.
- according to one's conscience: 良心{りょうしん}に従って
- act according to one's conscience: 良心の命じるところに従う