It's all in one piece
In Chinese idioms, Pinyin is f ē ns ī x ī L ǚ, which means insight. It comes from the gold coin thank table given by Xu Wei of Ming Dynasty.
Idiom usage
Used as a predicate or adverbial; used in writing
The origin of Idioms
Xu Wei of the Ming Dynasty wrote "a table of thanks for giving gold coins to the north of the Yangtze River on behalf of the people in the north of the Yangtze River": "it's inseparable from each other, and it's not appropriate to praise the good for its smallness."
Idiom explanation
The metaphor is insightful.
It's all in one piece
all return to the same place though travelling in different roads - tóng guī shū tú
the hum of study is clearly heard - shū shēng lǎng lǎng
Shake the mat and break the seat - yáo xí pò zuò