The secret strength of things, Which governs thought, and to the infinite dome Of heaven is a law, inhabits thee! And what were thou, and earth, and stars, and sea, If to the human mind's imaginings Silence and solitude were vacancy?
Sit in meditation, but do not think. Look only at your mind. You will see thoughts coming into it. Before they can enter, throw these away from your mind until your mind is capable of entire silence.