“Ichigo-Ichie ” Once-in-a-Lifetime Ichi-go ichi-e (一期一会, literally “one time, one meeting”) is a Japanese term that describes a cultural concept often linked with famed tea master Sen no Rikyu. The term is often translated as “for this time only,” “never again,” or “one chance in a lifetime.”Ichi-go ichi-e is linked with Zen Buddhism and concepts of transience.
文学者の書 芥川龍之介・吉川英治・野口雨情 - 酔中夢書2010
Introduction of his own collection by AKUTAGAWA Ryunosuke (Japanese writer: 1892-1927) "Life is like a book with missing pages. Can't be complete but can be whole." 人生は落丁の多い本に似てゐる。一部を成してゐるとは称し難い。しかし兎に角一部を成してゐる。 芥川龍之介