THEORIES AND CONCLUSIONS 
phere of the laboratory, or in the calm 
seclusion of the library. He has not been 
attempting to formulate any laws. He has 
not set out to overturn the conceptions of 
other men. He has carried forward his work 
with passionate eagerness for the truth. His 
creative work has been for the good of 
the world; his studies have also been for 
the welfare of man, never for the glorification 
of self. They have never been entered into 
with the spirit of the academician, or with 
any preconceived theories waiting to be 
put into laws. Plain, old-fashioned truth 
has been his seeking: If, in reaching the goal, 
he has been obliged to cast aside some of 
the impedimenta of the scientists, it has not 
been in anger, but because of haste. 
Very early in his career, even when he had 
but begun his preliminary business life, two 
words ever rang in his ears, How? and Why? 
Day by day he sent these words forward 
into the hidden realm of Nature, and day by 
day they came back to him laden with 
answers. How came it that a certain plant 
upon which he was conducting a given 
experiment had gathered to itself certain 
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