1אָמַר רַבִּי אֱלִיעֶזֶר, כָּל הָעוֹסֵק בְּפֶּרֶק שִׁירָה בָּעוֹלָם הַזֶה זוֹכֶה וְאוֹמְרָה לְעוֹלָם הַבָּא שֶׁנֶּאֱמַר ״אָז יָשִׁיר מֹשֶׁה״ – ״שָׁר״ לֹא נֶאֱמַר אֶלָּא ״יָשִׁיר״ לָעוֹלָם הַבָּא׃Rabbi Eliezer said: Anyone who involves himself with Perek Shirah in this world, merits saying it in the World-to-Come, as it says, “Then Moshe will sing”; it does not say “sang,” but “will sing” in the World-to-Come.
אָמַר רַבִּי אֱלִיעֶזֶר, כָּל הָעוֹסֵק בְּפֶּרֶק שִׁירָה בָּעוֹלָם הַזֶה זוֹכֶה וְאוֹמְרָה לְעוֹלָם הַבָּא שֶׁנֶּאֱמַר ״אָז יָשִׁיר מֹשֶׁה״ – ״שָׁר״ לֹא נֶאֱמַר אֶלָּא ״יָשִׁיר״ לָעוֹלָם הַבָּא׃
Rabbi Eliezer said: Anyone who involves himself with Perek Shirah in this world, merits saying it in the World-to-Come, as it says, “Then Moshe will sing”; it does not say “sang,” but “will sing” in the World-to-Come.