Descartes Says, "And Although the Right Conception of This Truth

question 19

Short Answer

Descartes says, "And although the right conception of this truth has cost me much close thinking, nevertheless at present I feel not only as assured of it as of what I deem most certain, but I remark further that the certitude of all other truths is so absolutely dependent on it that without this knowledge it is impossible ever to know anything perfectly." What is Descartes's point here?

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Definitions:

Brachial Site

The region of the arm near the elbow where the brachial artery is located, commonly used for measuring blood pressure.

Femoral Site

The region or location on the body associated with the femur or thigh bone, often referred to in medical contexts like injections or blood draws.

Radial Site

A location on the wrist where the radial artery is palpated for assessing the pulse.

Ulnar Site

A location on the human body near the ulna bone, typically referring to the inner aspect of the forearm.