君くん子しの交まじわりは淡あわきこと水みずのごとし

Meanings

1

The friendship between gentlemen is plain like water, and therefore enduring.

A proverb from the Zhuangzi, meaning that true, wise friendships are not flashy or overly emotional but are calm, pure, and lasting, like water.

「君くん子しの交まじわりは淡あわきこと水みずのごとし」という言こと葉ばは、真しんの友ゆう情じょうはあっさりしているものだと教おしえている。
The saying 'The friendship between gentlemen is plain like water' teaches that true friendship is unpretentious.