Truls Ljungström’s Reviews > Images of Mithra > Status Update

There are some textual hints that Mithras worshippers ritualized the use of
water in some way, though they are too sparse geographically and temporally too
distinct to draw final conclusions from them.41 The clearest indication comes
from the North African Christian writer Tertullian in the early third century.

The work of Mary Boyce (1920–2006), perhaps the most influential scholar of Zoroastrianism of the twentieth century, demonstrated that the religious traditions of Iran had been misrepresented in scholarship, often due to the primacy given to notions drawn from ancient Greek and Roman sources.
1969

The word lingers in Farsi (modern Persian) bearing similar connotations to the earliest uses: ‘mehr’ can mean ‘seal’, ‘love’, or ‘kindness’, as well as acting as a synonym for the sun.