Kyūjitai form of 量子力学

Japanese translation word for serendipity.

arduous is the race against time as one grows old. (literally "as the sun goes down, the road remains a long one.")

(Buddhism) think on the power of Kannon

a Romanization method of Japanese, combining the 標準式 (hyōjun-shiki) and 日本式 (Nihon-shiki) styles, that was adopted in 1937 by Cabinet order and slightly modified in 1954

(music) rock 'n' roll

crimson / deep red

(lit. one eye, two legs/feet, three courage, four power) "first, eyes, second, feet, third, courage, fourth, power". The essentials of [kendo] in descending order of importance