What the eyes perceive in herbs or stones or trees is not yet a remedy; the eyes see only the dross.

What the eyes perceive in herbs or stones or trees is not yet a remedy; the eyes see only the dross.

眼睛在药草、石头或树木中所看到的还不是一种治疗方法;眼睛只看见渣滓。

-- Paracelsus 西沙群岛