“Continuous effort - not strength or intelligence - is the key to unlocking our potential”-- Winston Churchill
“He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would surely suffice.”-- Albert Einstein
“It is wiser to find out than to suppose”-- Marck Twain
“Intelligence is not to make no mistakes, but quickly to see how to make them good.”-- Bertolt Brecht
“I know that I am intelligent, because I know that I know nothing.”-- Socrates
“I've always felt that a person's intelligence is directly reflected by the number of conflicting points of view he can entertain simultaneously on the same topic.”-- Abigail Adams
“It is not enough to have a good mind; the main thing is to use it well.”-- Rene Descartes
“The brain is a wonderful organ. It starts working the moment you get up in the morning and does not stop until you get into the office.”-- Robert Frost
“Efficiency is intelligent laziness.”-- David Dunham
“... the use of our intelligence quite properly gives us pleasure. In this respect the brain is like a muscle. When we think well, we feel good. Understanding is a kind of ecstasy.”-- Dr. Carl Sagan
“Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgment, the manner in which information is collected and used”-- Dr. Carl Sagan
“I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.”-- Galileo Galilei
“For all things difficult to acquire, the intelligent man works with perseverance.”-- Lao Tzu
“There are painters who transform the sun to a yellow spot, but there are others who with the help of their art and their intelligence, transform a yellow spot into sun”-- Pablo Picasso
“The greatest intelligence is precisely the one that suffers most from its own limitations”-- Andre Gide
“Knowing others is intelligence; knowing yourself is true wisdom. Mastering others is strength; mastering yourself is true power. If you realize that you have enough, you are truly rich.”-- Tao Te Ching
“Truly great madness can not be achieved without significant intelligence.”-- Henrik Tikkanen
“The intellect is not a serious thing, and never has been. It is an instrument on which one plays, that is all.”-- Oscar Wilde
“The first method for estimating the intelligence of a ruler is to look at the men he has around him.”-- Niccolo Machiavelli
“The sign of an intelligent people is their ability to control their emotions by the application of reason”-- Marya Mannes
“Anyone who conducts an argument by appealing to authority is not using his intelligence he is just using his memory”-- Leonardo da Vinci