Dave Sim said in his latest thing of his, 'when you're on the right track, you'll know it, but until you get there, you have to believe you're on the right track'. Interesting little conundrum. It's not easy.
“Like water which can clearly mirror the sky and the trees only so long as its surface is undisturbed, the mind can only reflect the true image of the Self when it is tranquil and wholly relaxed.”