Michel de Montaigne,
The Essays of Montaigne — Chapter XXIX. Of virtue…
(1877)
“ Sometimes he suffered incision and cauteries with so great constancy as never to be seen so much as to wince. 'Tis something to bring the soul to these imaginations; 'tis more to join the effects, and yet not impossible; but to conjoin them with such perseverance and constancy as to make them habitual, is certainly, in attempts so remote from the common usage, almost incredible to be done. ”
