Utzu etza vetufar;
Dabru davar velo yakum,
Ki imanu El.
עֻצוּ עֵצָה, וְתֻפָר;
דַּבְּרוּ דָבָר וְלֹא יָקוּם,
כִּי עִמָּנוּ אֵל.
They have devised schemes but they have been foiled, they have made declarations [against us], but they will not be fulfilled, because God is with us!
See more information about this song from Aish.com.
Video below by Yosef Moshe Kahana