不易之論 bù yì zhī lùn

DEFINITIONS

  1. perfectly sound proposition
  2. unalterable truth
  3. irrefutable argument

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
易 yì
HSK 3
change; easy
之 zhī
HSK 4
marks preceding phrase as modifier of following phrase; it, him her, them; go to
論 lùn debate; discuss; discourse