They (i. e., the Pythagoreans) did not advocate the free confrontation of conflicting points of view. Instead, like all orthodox religions, they practised a rigidity that prevented them from correcting their errors.
Understand that for every rule which I have mentioned from the Quran, the Devil has one to match it, which he puts beside the proper rule to cause error.
All corporatism - even when practised in societies where hard work, enterprise and cooperation are as highly valued as in Korea - encourages inflexibility, discourages individual accountability, and risks magnifying errors by concealing them.
He who gives himself to a lover because he is a good man, and in the hope that he will be improved by his company, shows himself to be virtuous, even though the object of his affection turn out to be a villain, and to have no virtue; and if he is deceived he has committed a noble error. For he has proved that for his part he will do anything for anybody with a view to virtue and improvement, than which there can be nothing nobler.
Truths ... are too often considered as so true, that they lose all the power of truth, and lie bed-ridden in the dormitory of the soul, side by side with the most despised and exploded errors.
The newspaper reader says: this party will ruin itself if it makes errors like this. My higher politics says: a party which makes errors like this is already finished -- it is no longer secure in its instincts.