Translation of "Cleanliness" in Japanese

Cleanliness is next to godliness.

きれい好きは敬神に次ぐ美徳。

Cleanliness is proper to the Japanese.

清潔は日本人の習性だ。

My wife is obsessed with cleanliness.

妻は潔癖症だ。

I was also impressed with the school's cleanliness and the students' pride in it.

学校がきれいに保たれており、生徒がそれに誇りを持っていることも、印象深いものでした。