Literature Reference: 懔乎若朽索之驭六马。——《尚书·五子之歌》 As cautious as driving six horses with a rotten rein. Source from 'The Songs of the Five Sons' in the 'Book of Documents'.
懔: Fearful and vigilant.
Meaning: Signifying caution and reverence, it embodies a solemn and dignified attitude.