Ashem Vohu (invocation of Asha)

ashem vohu vahishtem asti
ushta asti ushta ahmai
hyat ashai vahishtai ashem.

Righteousness is the best of all good:
it is also happiness.
Happy the man who is righteous for the sake of righteousness alone!

Ahunwar (most sacred manthra of Zoroastrianism)

yatha ahu vairyo
atha ratush ashatcit haca
vangheush dazda manangho
shyaothananam angheush mazdai
xshathremca ahurai a
yim drigubyo dadat vastarem!!

Choose the ruling lord for his righteousness and the spiritual leader also.
The benefits of good mind come when actions in the world accord with Mazda.
The kingdom of Ahura is for the one who brings succour to those in need.