Quote by Peirce, Charles Sanders
"A question which cannot be answered by any conceivable observation is metaphysical."
More from Peirce, Charles Sanders
"The mind of man is not a thing to be studied apart, but as an integral factor in the natural world."
"Belief is not something that forces itself upon us. Belief is something we can control."
"The essence of belief is the establishment of a habit."
"There is one thing even more vital to science than intelligent methods; and that is, the sincere desire to find out the truth."