Speech is human nature itself, with none of the artificiality of written language.
Alfred North WhiteheadAll of us want to be better. Human nature is always seeking advancement.
Elizabeth Kapu'uwailani LindseyI have a deep fascination with human nature, with all its virtues and all its defects.
Edgar RamirezWhat must be the nature of the world... if human beings are able to introduce changes into it?
Paul Ricoeur