“Even though surrounded by several enemies set to attack, fight with the thought that they are but one”. – Ueshiba

Singlemindedness of purpose.

Eat the elephant by the bite, over and over again.

Cut through the crap and see the essence, solve the problem in a fell swoop like slicing the Gordian knot.

From all things know one, from one thing know all things as it says in the Tao te Ching. 

Defeat one enemy and defeat them all.  And that enemy is the one within, because no one external is more dangerous than the opponent within.