Lingaku- a gentleman's friendship, insipid as water (idiom, from Zhuangzi 庄子【Zhuāng zǐ】)
Generated: This idiom conveys that true friendship, especially among gentlemen, is profound and does not rely on excessive emotional display or dependency; it suggests that such relationships are simple and pure, like water, which is essential yet often overlooked.
A gentleman's friendship, although without excessive words, is very sincere.