“Nothing is so firmly believed as that which is least known.”

“Nothing stands out so conspicuously, or remains so firmly fixed in the memory, as something which you have blundered.”

“I'm a firm believer that every person, young or old, has at least one good story to tell.”

“There is nothing in the world more soft and weak than water, and yet for attacking things that are firm and strong there is nothing that can take precedence of it;—for there is nothing (so effectual) for which it can be changed.”

“What is called "objectivity," scientific for instance (in which I firmly believe, in a given situation) imposes itself only within a context which is extremely vast, old, firmly established, or rooted in a network of conventions … and yet which still remains a context.”

“She left me, offended at my want of sympathy, and thinking, no doubt, that I envied her. I did not - at least, I firmly believed I did not.”