He has loosed the fateful lightning of his terrible swift sword.
9 seconds sound clip from the Young Frankenstein (1974) movie soundboard.
You can hear this line at 01:31:43 in the Blu-ray version of the movie.
Quote context
[...]
- Now give me a kiss and say good night. No tongues.
- Good night, darling. Good night, sweetheart.
- Good night. Don't let the bedbugs bite.
(Monster breathing heavily) Arrgh!
- He has loosed the fateful lightning of his terrible swift sword.
- His truth is marching on. Da-yat da da da da da.
- Glory, glory hallelujah. Glory, glory, hallelujah...
[...]