Book 8, Ch. 98 
variant:  Not snow, no, nor rain, nor heat, nor night keeps them from accomplishing their appointed courses with all speed. (Book 8, Ch. 98) 
Paraphrase:  "Neither snow, nor rain, nor heat, nor gloom of night stays these couriers from the swift completion of their appointed rounds" ” 
Appears carved over entrance to Central Post Office building in New York City. 
The Histories
                                    
Herodotus: Many
Herodotus was ancient Greek historian, often considered as the first historian. Explore interesting quotes on many.“Knowledge may give weight, but accomplishments give lustre, and many more people see than weigh.”
                                        
                                        Actually a quotation from a letter of Lord Chesterfield dated May 8, 1750. 
Misattributed
                                    
                                        
                                        Book 7, Ch. 226. 
The Histories
                                    
“Although he had plenty of troops he did not have many men.”
                                        
                                        Book 7, Ch. 210. 
The Histories