万世不易

ばんせいふえき

eternity, perpetuity

万代不易

ばんだいふえき

eternity, perpetuity

千古不易

せんこふえき

eternally unchanging

万古

ばんこ

perpetuity, eternity

不易

ふえき

constancy, immutable

千古万古

せんこばんこ

remote antiquity, ancient times, the remote past

古伊万里

こいまり

mid-Edo period Imari ware

不易流行

ふえきりゅうこう

the principle of fluidity and immutability in haiku, Haiku is both "fluid and transitory" and "eternal and immutable.", An interchange between the transient and the immutable is central to the soul of haiku. (Basho)

不埒千万

ふらちせんばん

very insolent, extremely audacious, reprehensible

万夫不当

ばんぷふとう

being a match for thousands, being a mighty warrior (combatant)

不届千万

ふとどきせんばん

very rude, very insolent, extremely reprehensible, outrageous

千古不滅

せんこふめつ

everlasting, unchangeable, immortal

千古不磨

せんこふま

permanence, immortality, eternity

不届き千万

ふとどきせんばん

very rude; very insolent; extremely reprehensible; outrageous

易

えき い

easiness

万万一

ばんばんいち まんまんいち

by any chance, ten thousand to one

万

まん よろず ばん

(まん) ten thousand

万事万端

ばんじばんたん

everything, all things, all affairs, all matters

容易

ようい

easy, simple, plain