Here's the first sentence of Gates' speech:

[A]rguably the most important military component in the War on Terror is not the fighting we do ourselves, but how well we enable and empower our partners to defend and govern their own countries.

Here's the first sentence of Nagl's paper:

The most important military component of the Long War will not be the fighting we do ourselves, but how well we enable and empower our allies to fight with us.