Our behavior toward each other is the strangest most unpredictable and most unaccountable of all the phenomena with which we are obliged to live. In all of nature there is nothing so threatening to humanity as humanity itself.

My illness has taught me something about the nature of humanity love brotherhood and relationships that I never understood and probably never would have. So from that standpoint there is some truth and good in everything.

The science of the mind can only have for its proper goal the understanding of human nature by every human being and through its use brings peace to every human soul.

Mutability of temper and inconsistency with ourselves is the greatest weakness of human nature.

Human nature is evil and goodness is caused by intentional activity.

Of moral purpose I see no trace in Nature. That is an article of exclusively human manufacture and very much to our credit.

Human society sustains itself by transforming nature into garbage.

Human nature is so well disposed towards those who are in interesting situations that a young person who either marries or dies is sure of being kindly spoken of.

England has always been disinclined to accept human nature.

To photograph truthfully and effectively is to see beneath the surfaces and record the qualities of nature and humanity which live or are latent in all things.