[Junpei's got him there. Snake didn't figure Junpei would listen to anything about that, so here he is, just kind of stunned into silence. Don't call him out on being a huge hippie? He's not supposed to know that??]

All that faith and hope "crap" is... not something I think anyone would remember beyond the moment it's said. The circumstances are different than this. It's meant to inspire to get those who are capable of doing something, not someone who is capable of nothing.