"One of the goals of this exercise and accompanying assignment is to train participants to take rational responsibility for their own views by forging a strong connection between their commitment to a view, the strength of their reasons, and what would change their mind. In my efforts to cultivate the attitude of evidence proportionalism in students, I tell them that they should be as critical of their own, favored views as they are of those that they think are entirely mistaken and misguided. It is only by thinking critically about the reasons we have for our own views that we can rightly gauge our rational entitlement to them, and hence the level of commitment we should place in them. ..."
January 1, 1970
https://en.wikiquote.org/wiki/Intellectual_responsibility