No driver's permit or temporary driver's permit shall be issued to any applicant who is under the age of twenty-one years or who has failed to obtain a chauffeur's permit from the state or who has to the knowledge of the chief of police, been convicted of a felony, or who shall be deemed by him to be morally unfit.
(Prior code § 5.28.360 (Ord. 309 § 20(e), 1948))