《韩非子·外储说右下》
这是懂得依靠别人不如依靠自己，懂得靠别人相助，不如自己帮助自己的道理。
此明夫恃人不如自恃也，明于人之为己者不如己之自为也。
It means knowing it is better to rely on oneself than on others, and that it is better to help oneself than to rely on the help of others.