Then know that the movements in plants are divided into three categories, and that the head of the plant is the one that seeks the movements, so wherever it directs in directions it is attributed to it, and if it meets other directions, it is a setback in its right. Then the scholars considered the directions in the existence of man and established integrity in his origin and movement to a direction. So they called its movement straight, and every plant only moves to the direction of its head. Every movement that corresponds to the movement of a human being in its direction is called reversed, and that is the movement of trees. If the movement between them is the one moving with its head facing the horizon, its movement is horizontal. The plant that has no sense and has growth has its entire movement in reverse, unlike the trees of Paradise, for the movement of a plant Paradise is straight because of the manifestation of its life, for it is the abode of the animal and the plan