"Genius is more often found in a cracked pot than in a whole one."
"I can't tell you if genius is hereditary, because heaven has granted me no offspring."
"I choose my friends for their good looks, my acquaintances for their good characters, and my enemies for their intellects. A man cannot be too careful in the choice of his enemies."
"I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up."
"I not only use all the brains that I have, but all that I can borrow."
"I'm not offended by all the dumb blonde jokes because I know I'm not dumb... and I also know that I'm not blonde."
"I'm not the smartest fellow in the world, but I can sure pick smart colleagues."
"If there are no stupid questions, then what kind of questions do stupid people ask? Do they get smart just in time to ask questions?"
"Ignorance is no excuse, it's the real thing."
"Intellectuals are too sentimental for me."
"Intelligence is not a science."
"Intelligence is really a kind of taste: taste in ideas."
"Intelligence is the wife, imagination is the mistress, memory is the servant."
"Intelligence without ambition is a bird without wings."
"It is better to have a fair intellect that is well used than a powerful one that is idle."
"It is not worth an intelligent man's time to be in the majority. By definition, there are already enough people to do that."
"It is the mark of a truly intelligent person to be moved by statistics."
"It's a poor sort of memory that only works backwards."
"It's not that I'm so smart, it's just that I stay with problems longer."
"Mad, adj. Affected with a high degree of intellectual independence."
"Man becomes man only by his intelligence, but he is man only by his heart."
"Man is the most intelligent of the animals - and the most silly."
"Often the hands will solve a mystery that the intellect has struggled with in vain."
"Small minds are concerned with the extraordinary, great minds with the ordinary."
"Smartness runs in my family. When I went to school I was so smart my teacher was in my class for five years."
"The bookful blockhead, ignorantly read With loads of learned lumber in his head."
"The higher the voice the smaller the intellect."
"The intellect of the wise is like glass; it admits the light of heaven and reflects it."
"The intelligent man is one who has successfully fulfilled many accomplishments, and is yet willing to learn more."
"The mind is not a vessel to be filled but a fire to be kindled."