Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.
Albert Einstein (1879-1955) German-Swiss-U.S. scientist.
Too many people confine their exercise to jumping to conclusions, running up bills, stretching the truth, bending over backward, lying down on the job, sidestepping responsibility and pushing their luck.
Really I don't like human nature unless all candied over with art.
Virginia Woolf (1882-1941) British novelist and essayist.
There is nothing that can be changed more completely than human nature when the job is taken in hand early enough.
George Bernard Shaw (1856-1950) Irish writer.
It is human nature to think wisely and act foolishly.
Anatole France (1844-1924) French writer.
What is called an acute knowledge of human nature is mostly nothing but the observer's own weaknesses reflected back from others.
Georg C. Lichtenberg (1742-1799) German scientist, satirist and anglophile.
Man has demonstrated that he is master of everything -- except his own nature.
Henry Miller (1891-1980) American author.
Human nature is not of itself vicious.
Thomas Paine (1737-1809) English intellectual.
My nature is subdued to what it works in, like the dyer's hand.
William Shakespeare (1564-1616) British poet and playwright.
The man of power is ruined by power, the man of money by money, the submissive man by subservience, the pleasure seeker by pleasure.
Hermann Hesse (1877-1962) German-born Swiss novelist, and poet.