I have a commonplace book for facts, and another for poetry, but I find it difficult always to preserve the distinction which I had in mind, for the most interesting and beautiful facts are so much the more poetry and that is their success. They are translated from earth to heaven. I see that if my facts were sufficiently vital and significant—perhaps transmuted into the substance of the human mind—I should need but one book of poetry to contain them all.

I have a commonplace book for facts, and another for poetry, but I find it difficult always to preserve the distinction which I had in mind, for the most interesting and beautiful facts are so much the more poetry and that is their success. They are translated from earth to heaven. I see that if my facts were sufficiently vital and significant—perhaps transmuted into the substance of the human mind—I should need but one book of poetry to contain them all.
Henry David Thoreau