道冲,而用之或不盈。渊兮,似万物之宗:挫其锐,解其纷;和其光,同其尘。湛兮,似或存。吾不知谁之子,象帝之先。
Source: Wikiquote (CC BY-SA 3.0). Quotations may be subject to their authors' rights and may be shown in translation.