Yeah, that's from Sigrdrifamal:
Sig-runes (=victory runes) thou must know,
if victory (=sigr) thou wilt have,
and on thy sword's hilt grave them;
some on the chapes,
some on the guard,
and twice the name of Tý.
In Old Norse:
Sigrúnar skaltu kunna,
ef þú vilt sigr hafa,
ok rista á hjalti hjörs,
sumar á véttrinum,
sumar á valböstum,
ok nefna tysvar Tý.
See, I'm telling you, you have to read this book. Availible on-line for free. It also tells you how to the famous lines that I say every day:
Hail to Day!
Hail to the sons of Day!
To Night and her daughter hail!
Grant victory to us who sit here!
Hail to the Æsir!
Hail to the Asyniur!
Hail to the earth who gives to all!
And bestowe upon us wit, goodly speech
and healing hands
while we live.
/T