眼不見為淨

1. • what remains unseen is deemed to be clean
2. • what the eye doesn't see, the heart doesn't grieve over (idiom)

Character by character

• 眼(yǎn)eye
• 不(bù)no
• 見(jiàn)see
• 為(wéi)as (in the capacity of)
• 淨(jìng)clean