It is the mark of a truly intelligent person to be moved by statistics. George Bernard Shaw
Small minds are concerned with the extraordinary, great minds with the ordinary. Blaise Pascal
I'm not the smartest fellow in the world, but I can sure pick smart colleagues. Franklin D. Roosevelt
The surest sign that intelligent life exists elsewhere in the universe is that it has never tried to contact us. Bill Watterson
I'm an optimist in the sense that I believe humans are noble and honorable, and some of them are really smart. I have a very optimistic view of individuals. Steve Jobs
We have now sunk to a depth at which restatement of the obvious is the first duty of intelligent men. George Orwell
The mind is not a vessel to be filled but a fire to be kindled. Plutarch
Knowledge is love and light and vision. Helen Keller
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous. Carl Sagan
Your intellect may be confused, but your emotions will never lie to you. Roger Ebert
Promise me you'll always remember: You're braver than you believe, and stronger than you seem, and smarter than you think. A. A. Milne
An intelligent person is never afraid or ashamed to find errors in his understanding of things. Bryant H. McGill
Smartness runs in my family. When I went to school I was so smart my teacher was in my class for five years. Gracie Allen
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult. Sigmund Freud
Being an intellectual creates a lot of questions and no answers. Janis Joplin