As soon as we can wrest from Nature the secret of the internal structure of the compounds produced by her, chemical science can then even surpass Nature by producing compounds as variations of the natural ones, which the living cell is unable to construct.

One would think that plants belonging to the same genus would always produce identical or at least similar oils. But this is by no means so.

As soon as science has solved one problem, new ones arise. This is the essence of science, and it applies, of course, also to the field of essential oils.

Otto Wallach Quotes