A theorem for international relations
It is impossible to simultaneously host, control and plausibly deny (your role in sponsoring) a proxy war across your borders. You can, at best, do two of the three.

(Of course, if you are Pakistan, you will brazenly do all three. But unless you want to end up like another Pakistan, you’d rather not take that route.)
This is little hard to understand. can you please elaborate more? If I understand correctly, implication of this is that you can host militants and deny your role simultaneously but if you try to control them then you can’t deny your role and vice versa. Is this the correct interpretation?