"If a scientific man be asked what is
truth, he will reply . . . that which is accepted
upon adequate evidence. And if he be asked for a
description of adequacy of evidence, he certainly will
refer to matters of observation and experiment."1b
"Proof , , , is accepting
or rejecting a given proposition on the ground of its connection
or lack of connection with some other proposition conceded or
established. But inference does not terminate in any
given proposition; it is after precisely those not given.
It wants more facts, different facts. Thinking in the
mode of inference insists upon terminating in an intellectual
advance, in a consciousness of truths hitherto escaping us. .
. Thinking endeavors to compel things as they present
themselves, to yield up something hitherto obscure or
"Reflection is a process of
finding out what . . . we really want, and this means the
formation of new desire, a new direction of action.
In this process, things get values -- something they
did not possess before, although they had their efficiencies."1d
" . . . [A]
man's real measure of value is exhibited in what
he does, not in what he consciously thinks or says.
For the doing is the actual choice. It is the completed
"The paradox of theory and practice
is that theory is with respect to all other modes of
practice the most practical of all things, and the more
impartial and impersonal it is, the more truly practical it is."