Chapter 64 of "Laozi" by Lao Dan in Spring and Autumn Period.

The general idea of ??these two sentences is: Do it carefully to the end, just like you did at the beginning, and there will be no failures and mistakes.

When doing anything, you should be cautious from beginning to end, so that there will be no mistakes. Generally speaking, when people do things, they tend to start in a hurry and end at the end. They start out seriously, meticulously, cautiously, and seriously, and then end up being perfunctory, sloppy, careless, and sloppy. In this way, they often don't get things done well. Therefore, Lao Tzu's famous saying "Be careful about the end as you began" warns people to start and end and be consistent in doing things, so as not to make things worse. This is very educational.