物有本末,事有终始。知所先后,则近道矣。
Things have roots and branches; affairs have endings and beginnings. To know what comes first and what follows is to approach the Way.
Plain meaningKnow what matters first, and do not confuse the root with the branches.
Book of Rites: The Great Learning
Original context and translation note
English wording on Gu Ren Said is an original reading aid, not a claim that there is only one valid literary translation.