Literature Reference: 君子慎止足，小人苦喧阗。——杜甫《盐井》 The gentleman is cautious in stopping, while the petty man is troubled by noise. Source from Du Fu's 'Salt Well'.
慎: Be mindful; tread with caution.
止: Surname, standing still.
Meaning: The gentleman knows when to stop, showing wisdom and moderation.