Literature Reference: 谨，慎也。——《说文》；尧，高也。——《说文》 'Jin' means cautious, from 'Shuowen'; 'Yao' means lofty, from 'Shuowen'.
谨: Prudence, meticulousness. Caution, carefulness.
尧: Ancient emperor's name, symbolizing a person of both virtue and talent.
Meaning: Cautious and lofty, symbolizing a person who is careful yet ambitious.