Literature Reference: 君子慎独，谨言慎行。—— 《礼记·中庸》 A noble person is cautious in solitude, careful in speech and action. Source from 'The Book of Rites · Doctrine of the Mean'.
谨: Prudence, meticulousness. Caution, carefulness.
Meaning: Being cautious and meticulous signifies a person who is careful, attentive to details, and values precision in life.