The man who never alters his opinions is like standing water, and breeds reptiles of the mind.
Sentiment: NEGATIVE
Man is the only creature that refuses to be what he is.
Every man must have the right fearlessly to think independently and express his opinion about what he knows, what he has personally thought about and experienced, and not merely to express with slightly different variations the opinion which has been inculcated in him.
A man of the world must seem to be what he wishes to be thought.
Nowhere more truly than in his mental capacities is man a part of nature.
As long as the reason of man continues fallible, and he is at liberty to exercise it, different opinions will be formed.
Man is a rational animal who always loses his temper when called upon to act in accordance with the dictates of reason.
A man's opinion is in others; his being is in himself.
Man is a make-believe animal: he is never so truly himself as when he is acting a part.
He that never changes his opinion never corrects mistakes and will never be wiser on the morrow than he is today.
Man is the only animal that learns by being hypocritical. He pretends to be polite and then, eventually, he becomes polite.