When you and the silence become friends, it will speak to you as loudly as anything you could ever hear from the outer world. Soon you will not be able to ignore its voice, which after all is the voice of your own spirit calling to you.
In the seed, the genes whisper: stretch out for the light and seek the dark. And the tree seeks the light, it stretches out for the dark and the more darkness it finds, the more light it uncovers.