Nature is a light, and by looking at Nature in her own light we will understand her. Visible Nature may be seen in her visible light; invisible Nature may become visible if we acquire the power to perceive her invisible light.
ParacelsusTime is a brisk wind, for each hour it brings something new... but who can understand and measure its sharp breath, its mystery and its design?
ParacelsusThe book of Nature is that which the physician must read; and to do so he must walk over the leaves.
Paracelsus