Buy an Enthusiasm Warm-Hearted calligraphy wall scroll here!
熱心 literally means “warm-hearted” (can also mean warm-spirited or warm-souled).
This is one of a few ways to say Enthusiasm in Chinese, Japanese Kanji, and old Korean Hanja.
熱心 is also used to express the ideas of earnestness or eagerness.
Can mean “zeal” in Japanese.