3 Quotes Regarding Reason

Although nature commences with reason and ends in experience it is necessary for us to do the opposite, that is to commence with experience and from this to proceed to investigate the reason.
Leonardo Da Vinci

Reason obeys itself; and ignorance submits to whatever is dictated to it.
Thomas Paine

We can only reason from what is; we can reason on actualities, but not on possibilities.

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