Logic is the science of the laws of thought, as thought,--that is of the necessary conditions to which thought considered in itself is a subject.
Sir William Hamilton, 9th BaronetThe pursuit of knowledge is but a course between two ignorances, as human life is itself only a wayfaring from grave to grave.
Sir William Hamilton, 9th BaronetA judgment is the mental act by which one thing is affirmed or denied of another.
Sir William Hamilton, 9th BaronetThere is a distinction, but no opposition, between theory and practice. Each to a certain extent supposes the other. Theory is dependent on practice; practice must have preceded theory.
Sir William Hamilton, 9th BaronetMetaphysics, in whatever latitude the term be taken, is a science, or complement of sciences, exclusively occupied with mind.
Sir William Hamilton, 9th BaronetThere are two sorts of ignorance: we philosophize to escape ignorance; we start from the one, we repose in the other; they are the goals from which and to which we tend; and the pursuit of knowledge is but a course between two ignorances, as human life is only a traveling from grave to grave.
Sir William Hamilton, 9th Baronet