If He had split the sea for us, and had not taken us through it on dry land — Dayenu, it would have sufficed!

Ilu kara lanu et hayam, v'lo he'eviranu b'tocho becharavah, dayeinu!

אִלּוּ קָרַע לָנוּ אֶת הַיָּם וְלֹא הֶעֱבִירָנוּ בְּתוֹכוֹ בֶּחָרָבָה דַּיֵּנוּ


haggadah Section: Rachtzah
Source: http://en.wikipedia.org/wiki/Dayenu