“Human nature is such that monogamy is a really hard thing to achieve.”– Sienna Miller Related Quotes “Those things that nature denied to human sight, she revealed to the eyes of the soul.”– Ovid “All that I say is, examine, inquire. Look into the nature of things. Search out the grounds of your opinions, the for and against. Know why you believe, understand what you believe, and possess a reason for the faith that is in you.”– Frances Wright “Nature and nature’s laws lay hid in the night. God said, Let Newton be! and all was light!”– Alexander Pope