When your army has crossed the border, you should burn your boats and bridges, in order to make it clear to everybody that you have no hankering after home. ↗
If those who are sent to draw water begin by drinking themselves, the army is suffering from thirst. [One may know the condition of a whole army from the behavior of a single man.] ↗
Consultants show you way forward and consider the job done, conveniently forgetting that if a child is only shown where to go and not how to walk towards it, he will never reach there. ↗