Understand this great truth: The happiness that comes from the pleasures of the world is but a minute reflection of the infinite bliss that comes from within your own Self.
Once we develop the attitude that "I am love, the embodiment of love," then we need not wander in search of peace for peace will come in search of us.
Devotion is not a mental weakness. Neither is it only the first step, but something like the substratum for attaining the goal.