In our natural body every part has a necessary sympathy with every other; and all together form, by their harmonious conspiration, a healthy whole.
Truth like a torch, the more 'tis shock, it shines.
The pursuit of knowledge is but a course between two ignorances, as human life is itself only a wayfaring from grave to grave.
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.
Metaphysics, in whatever latitude the term be taken, is a science, or complement of sciences, exclusively occupied with mind.
There 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.
A judgment is the mental act by which one thing is affirmed or denied of another.
Read much, but not many works.
Be sober, and to doubt prepense,
These are the sinews of good sense.
An instinct is an agent which performs blindly and ignorantly a work of intelligence and knowledge.
There 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.
Consummated science is positively humble.
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