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"The average dog is a nicer person than the average person."

"The attention span of a computer is only as long as its electrical cord."

"Good questions outrank easy answers."

"He who limps still walks."

"A pessimist is correct oftener than an optimist, but an optimist has more fun - and neither can stop the march of events."

"One man has enthusiasm for 30 minutes, another for 30 days, but it is the man who has it for 30 years who makes a success of his life."

"People who want to understand democracy should spend less time in the library with Aristotle and more time on the buses and in the subway."

"Science can destroy religion by ignoring it as well as by disproving its tenets. No one ever demonstrated, so far as I am aware, the non-existence of Zeus or Thor - but they have few followers now."

"We notice things that don't work. We don't notice things that do. We notice computers, we don't notice pennies. We notice e-book readers, we don't notice books."

"Certainly virtue is like precious odours, most fragrant when they are incensed or crushed: for prosperity doth best discover vice; but adversity doth best discover virtue."

"Honest disagreement is often a good sign of progress."

"Thinking is the hardest work there is, which is probably the reason why so few engage in it."