"Haven't you noticed that opinion without knowledge is always a poor thing? At the best it is blind—isn't anyone who holds a true opinion without understanding like a blind man on the right road?"

"Life is a short exile."

"I have a theory that you can make any sentence seem profound by writing the name of a dead philosopher at the end of it."

"We are like people looking for something they have in their hands all the time; we're looking in all directions except at the thing we want, which is probably why we haven't found it."

"Honesty is for the most part, less profitable than dishonesty."

"It is impossible to improve the world if first the man does not improve."

"I have a theory that you can make any sentence seem profound by writing the name of a dead philosopher at the end of it."

"Is there anything worse for a state than to be split and disunited? or better than cohesion and unity?"

"Strange times are these in which we live when old and young are taught falsehoods in school. And the person that dares to tell the truth is called at once a lunatic and fool."

"The tools that would teach men their own use would be beyond price."