Biology | Page 9

to seek
such refuge. It is more than probable that there are factors of evolution
still unknown. We can but seek for them. Nothing is more certain than
that life and the evolution of life are natural phenomena. We must
approach them, and as far as I can see must attempt to analyze them, by
the same methods that are employed in the study of other natural
phenomena. The student of nature can do no more than strive towards
the truth. When he does not find the whole truth there is but one gospel
for his salvation--still to strive towards the truth. He knows that each
forward step on the highway of discovery will bring to view a new
horizon of regions still unknown. It will be an ill day for science when
it can find no more fields to conquer. And so, if you ask whether I look

to a day when we shall know the whole truth in regard to organic
mechanism and organic evolution, I answer: No! But let us go forward.

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