On the whole album, birds are thoughts. So here the Dove is thought of peace. Thoughts move by change, like birds that fly on the wind. If there is no wind, there can also no thought of peace, as with no wind, the thoughts lay down. So, the concepts of wind (change) and dove (peace) are interconnected. So there can only be a form of peace when there is also trembling. Without tremblinding, he could not know the [concept of] peace.
On the whole album, birds are thoughts. So here the Dove is thought of peace. Thoughts move by change, like birds that fly on the wind. If there is no wind, there can also no thought of peace, as with no wind, the thoughts lay down. So, the concepts of wind (change) and dove (peace) are interconnected. So there can only be a form of peace when there is also trembling. Without tremblinding, he could not know the [concept of] peace.