吾唯足知
Meanings
1
I am content with what I am (have); rich is the person who is content with what he is
A Zen Buddhist saying expressing the virtue of being satisfied with one's present state and possessions. Often inscribed on stone water basins (tsukubai) in Japanese gardens, where the central 口 (mouth) character is shared by all four kanji.
The stone water basin at Ryōan-ji is inscribed with 'I am content with what I am.'
The phrase 'I know what is enough' teaches the importance of being content with what one has.