(昨日を　愛せるように　今日を　生きよう　　明日も　同じ気持ちで　いたいから)
"Kinou wo aiseru youni kyou wo ikiyou. Ashita mo onaji kimochi de itai kara"
means
"In order to love yesterday, let's live today without regrets. I want to live tomorrow with the same feeling as well".