I must become a botanist. The raw material does somehow or other
become manufactured into the produce; the soil into the vegetable.
I ought surely to know a little about the processes of my own
manufacture; so I must learn chemistry. Chance and blind custom are
not enough for me. At best they can but leave me where they found
me, at their mercy. Science I need; and science I will acquire.
What was the result? After many a mistake and disappointment, he
succeeded in discovering on his own estate a mine of unsuspected
wealth--not of gold indeed, but of gold's worth--the elements of
human food. He discovered why some parts of his estate were
fertile, while others were barren; and by applying the knowledge
thus gained, he converted some of his most barren fields into his
most fertile ones; he preserved again and again his crops from
blight, while those of others perished all around him; he won for
himself wealth, and the respect and honour of men of science; while
those around him, slowly opening their eyes to his improvements,
followed his lessons at second-hand, till the whole agriculture of
an important district has become gradually but permanently improved,
under the auspices of one patient and brave man, who knew that
knowledge was power, and that only by obeying nature can man conquer
her.

Bear in mind both these last great proverbs; and combine them in
your mind. Remember that while England is, and ever will be,
behindhand in metaphysical and scholastic science, she is the nation
which above all others has conquered nature by obeying her; that as
it pleased God that the author of that proverb, the father of
inductive science, Bacon Lord Verulam, should have been an
Englishman, so it has pleased Him that we, Lord Bacon's countrymen,
should improve that precious heirloom of science, inventing,