Thought must never submit, neither to a dogma, nor to a party, nor to a passion, nor to an interest, nor to a preconceived idea, nor to whatever it may be, save to the facts themselves, because, for thought, submission would mean ceasing to be.
Henri PoincareWhat is it indeed that gives us the feeling of elegance in a solution, in a demonstration?
Henri PoincareDoubting everything and believing everything are two equally convenient solutions that guard us from having to think
Henri Poincare