Peter Abelard — French Philosopher born on December 29, 1079,

Peter Abelard was a medieval French scholastic philosopher, theologian and preeminent logician. He was also a composer. His affair with and love for Héloïse d'Argenteuil has become legendary. The Chambers Biographical Dictionary describes him as "the keenest thinker and boldest theologian of the 12th Century"... (wikipedia)

By doubting we are led to question, by questioning we arrive at the truth.
I preferred the weapons of dialectic to all the other teachings of philosophy, and armed with these, I chose the conflicts of disputation rather than the trophies of war.
The key to wisdom is this - constant and frequent questioning, for by doubting we are led to question and by questioning we arrive at the truth.
Are you not moved to tears and bitter compassion, when you behold the only Son of God seized by the most impious, dragged away, mocked, scourged, buffeted, spit upon, crowned with thorns, hung upon the infamous cross between two thieves, finally in such a horrible and execrable manner suffering death, for your salvation and that of the world?
The men who abandon themselves to the passions of this miserable life, are compared in Scripture to beasts.