139Japanese idiom 四字熟語
誠心誠意
せいしんせいいSeishin seii
“With whole heart, in full sincerity.”
The meaning
Doing things without ulterior motive or facade. Total sincerity can be felt — it disarms distrust and gives deeds a weight that skill alone cannot reach.
At the origin
A four-character idiom, an ideal of conduct in relations and service.
The characters
In practice
Pick one task today and do it without calculation, entirely.