Some of my favourite quotations

You can find some other gems in the 'Quotes' category of my blog.

"Never attribute to malice that which is adequately explained by stupidity."

known as Hanlon's Razor

"You know you have reached perfection in design, not when there is nothing more to add, but when there is nothing more to be taken away."

Antoine de Saint-Exupery

"Art without engineering is dreaming. Engineering without art is calculating."

Steven K. Roberts

"If we knew what we were doing, it wouldn't be called research, would it?"

Albert Einstein

"The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man."

George Bernard Shaw

"Orville Wright didn't have a pilot's license"

from 'Orbiting the Giant Hairball' by Gordon MacKenzie

"I'd always supposed ... that curiosity was simply the first derivative of knowledge."

Paul Graham

"Don't cry because it's over. Smile because it happened."

Dr Seuss

"There are lies, damned lies, statistics, and web statistics."

QSF

"The elementary rules of logic... that extraordinary claims require extraordinary evidence and that what can be asserted without evidence can also be dismissed without evidence."

Christopher Hitchens

"That no testimony is sufficient to establish a miracle, unless the testimony be of such a kind, that its falsehood would be more miraculous than the fact which it endeavors to establish."

Hume's Maxim

"Those who can make you believe absurdities, can make you commit atrocities."

Voltaire.
Actually, he said 'Certainement qui est en droit de vous rendre absurde est en droit de vous rendre injuste.', which is not quite the same thing, but the above version is the better known.

"An apostrophe is the difference between a business that knows its shit and a business that knows it's shit."

Kathryn Williams

"In science, faith is considered a vice. In religion, it is considered a virtue. Those are incompatible world views."

Jerry Coyne