The most refined abstractions of logic conduct to a view of...

The most refined abstractions of logic conduct to a view of life, which, though startling to the apprehension, is, in fact, that which the habitual sense of its repeated combinations has extinguished in us. It strips, as it were, the painted curtain from this scene of things. I confess that I am one of those who are unable to refuse my assent to the conclusions of those philosophers who assert that nothing exists but as it is perceived.