Tweet Intelligence is the ability to adapt to change. Quote by Stephen Hawking. You May Also Like...Think good, and good follows. Think evil, and evil follows. You are what you think all day long.The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.Turn and face the strange.People who boast about their I.Q. are losers.I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.Intelligence without ambition is a bird without wings.My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.No matter what people tell you, words and ideas can change the world.We should seek the greatest value of our action.