Kǒng fū zǐ
Confucius (551-479 BC), Chinese thinker and social philosopher, also known as 孔子[Kong3 zi3]
dāo zi zuǐ ba , dòu fu xīn
lit. knife mouth but heart of bean curd; sharp tongue concealing a caring heart
dāo zi zuǐ ba , dòu fu xīn
lit. knife mouth but heart of bean curd; sharp tongue concealing a caring heart
dāo zi zuǐ , dòu fu xīn
to have a sharp tongue but a soft heart (idiom)