ひとつぶのたねからおおきなきがそだつように、ちいさなどりょくをつみかさねることがたいせつです。

Just as a big tree grows from a single seed, it's important to accumulate small efforts.

あせのつぶがかおをつたって、こんなにいっしょうけんめいはたらいたのかとかんがいぶかかったです。

With drops of sweat rolling down my face, I was deeply moved thinking I had worked this hard.