Answer:
The statement means two things:
The first is that Lenin believed that Russia should withdraw from the war, instead of trying to defeat Germany.
The second is that Lenin realized that the weak state of the Russian army, the lack of popular support of the war, and the general disorder of the tsarist administration were conditions favorable for the emergence of a revolution. In the end, Lenin used this unfavorable conditions to his favor, and was successful in bringing about a revolution that lasted for seven decades.