不
易
之
论
b
ú
b
ù
y
ì
y
ì
z
h
ī
z
h
ī
l
ù
n
l
ù
n
Definitions
1. perfectly sound proposition
2. unalterable truth
3. irrefutable argument
Components
不易
bù yì
–
not easy to do sth
之
zhī
–
(possessive particle, literary equivalent of 的[de5])
论
lùn
–
opinion