More quotes by Mark Twain

"A clear conscience is the sure sign of a bad memory."
"In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them."
"We have not the reverent feeling for the rainbow that the savage has, because we know how it is made. We have lost as much as we gained by prying into that matter."
"If you pick up a starving dog and make him prosperous he will not bite you. This is the principal difference between a dog and man."
"Herodotus says, "Very few things happen at the right time, and the rest do not happen at all: the conscientious historian will correct these defects."