Envy is human nature.
Where is human nature so weak as in the bookstore?
The parental, and filial affections seem to be as ardent, their sensibility and attachment, as active and faithful, as those observed to be in human nature.
I actually think that secrets are just a part of human nature and that everybody should have some.
Ideas devour the ages as men are devoured by their passions. When man is cured, human nature will cure itself perhaps.
The being without an opinion is so painful to human nature that most people will leap to a hasty opinion rather than undergo it.
One of the greatest pains to human nature is the pain of a new idea.
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.
The capacity to suffer varies more than anything that I have observed in human nature.
It is human nature that rules the world, not governments and regimes.
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.
Knowledge of human nature is the beginning and end of political education.
In athletics there's always been a willingness to cheat if it looks like you're not cheating. I think that's just a quirk of human nature.