DB inscription http://www.avesta.org/op/op.htm#db1, 3. (12-24.)
Dareios I.: Citáty anglicky
DNa inscription http://www.livius.org/aa-ac/achaemenians/DNa.html
DNb inscription http://www.livius.org/aa-ac/achaemenians/DNb.html
DB inscription http://www.avesta.org/op/op.htm#db1, COLUMN 4, 52. (4.2-31.)
DB inscription http://www.avesta.org/op/op.htm#db1, COLUMN 4, 63. (4.61-7.)
As quoted in The Histories by Herodotus, 3.72
The validity of the quote is questionable. http://www.shsu.edu/~his_ncp/Heropers.html
Attributed