To be cynical is to be distant. While offering a false intimacy of being "in the know," cynicism actually destroys intimacy. It leads to a creeping bitterness that can deaden and even destroy the spirit...
A praying life is just the opposite. It engaged evil. It doesn't take no for an answer. The psalmist was in God's face, hoping, dreaming, asking. Prayer is feisty. Cynicism, on the other hand, merely critiques. It is passive, cocooning itself from the passions of the great cosmic battle we are engaged in. It is without hope.