If men as individuals surrender to the call of their elementary instincts, avoiding pain and seeking satisfaction only for their own selves, the result for them all taken together must be a state of insecurity, of fear, and of promiscuous misery.
Albert Einstein (1879-1955) German-Swiss-U.S. scientist.
A few strong instincts and a few plain rules suffice us.
Ralph Waldo Emerson (1803-1882) U.S. poet, essayist and lecturer.
A goose flies by a chart which the Royal Geographical Society could not mend.
Oliver Wendell Holmes (1809-1894) American author and poet.
It is the rooted instinct in men to admire what is better and more beautiful than themselves.
James Russell Lowell (1819-1891) American poet, critic and editor.
Instinct. When the house burns one forgets even lunch. Yes, but one eats it later in the ashes.
Friedrich Nietzsche (1844-1900) German-Swiss philosopher and writer.
What is peculiar in the life of a man consists not in his obedience, but his opposition, to his instincts. In one direction or another he strives to live a supernatural life.
Henry David Thoreau (1817-1862) American naturalist, poet and philosopher.
There is not, in my opinion, anything more mysterious in nature than this instinct in animals, which thus rise above reason, and yet fall infinitely short of it.
Joseph Addison (1672-1719) English essayist, poet, and dramatist.