Instead of establishing facts, we have to overthrow errors; instead of ascertaining what is, we have to chase from our imaginations what is not..

He who lives in the single exercise of his mental faculties, however usefully or curiously directed, is equally an imperfect animal with the man who ….

We are on the earth, and they tell us of heaven; we are human beings, and they tell us of angels and devils; we are matter, and they tell us of spiri….

The simplest principles become difficult of practice, when habits, formed in error, have been fixed by time, and the simplest truths hard to receive ….