Khòaⁿ chhiū khòaⁿ kin, khòaⁿ lâng khòaⁿ sim

看樹看根、看人看心

要徹底了解一個人事物，得先看清楚他/它的底細

Bat lâng bat sū, tō khòaⁿ i ê té-tì

To know a tree, look at its roots; to know a person, look at her heart