This means that if one wants to be active in politics, one has to accept that sooner or later one will commit a mistake. Politics is a very fast field, and often decisions have to be taken without the time necessary to reflect on all the sides of the problem.
And my personal interpretation: this means that you shouldn't get discouraged but try to learn from your mistakes!
Kylie measure the length width and height of a donut box after all the donuts had been eaten. His measurements are shown below.
