Heads Up These sentences are mainly from the Tanaka Corpus and Tatoeaba project. Read more
| Living organisms had existed on earth, without ever knowing why, for over three thousand million years before the truth finally dawned on one of them. |
| 生物は、実がついにそのうちの１つにわかり始めるまで、３０億年以上の間、全くその理由を知らずに地球上に存在していた。 |