" I had reached that stage of excitement where one feels the heavenly sensations granted by the Arts and one's most passional feelings. As I emerged from the porch of Santa Croce, I was seized with a fierce palpitation of the heart; the well-spring of life was dried up within me, and I walked in constant fear of falling to the ground"
Naples and Florence. A Journey from Milan to Reggio
related article that goes more with the times:
this entry on Jonathan Jones' blog in The Guardian newspaper: Does great art make you ill? : Scientists are to monitor the vital signs of tourists in Florence after they see works of art – to test if Stendhal syndrome exists