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…

- Peter Abelard

Be precise in the use of words and expect precision from others

- Peter Abelard

Alone thou goest forth, O Lord, in sacrifice to die; is this thy sorrow naught to us who pass unheeding by? Our sins, not thine, thou bearest, Lord; …

- Peter Abelard

Logic has made me hated in the world.

- Peter Abelard

And now, my friend, I am going to expose to you all my weaknesses. All men, I believe, are under a necessity of paying tribute at some time or other …

- Peter Abelard

Nothing can be believed unless it is first understood; and that for any one to preach to others that which either he has not understood nor they have…

- Peter Abelard

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.

- Peter Abelard

By doubting we come to questioning, and by questioning we perceive the truth.

- Peter Abelard

It is by doubting that we come to investigate, and by investigating that we recognize the truth.

- Peter Abelard