“Nature has made all her truths independent of one another. Our art makes one dependent on the other.”

“Those honor nature well, who teach that she can speak on everything.”

“All things can be deadly to us, even the things made to serve us; as in nature walls can kill us, and stairs can kill us, if we do not walk circumspectly.”

“To make light of philosophy is to be a true philosopher.”

“The world is a good judge of things, for it is in natural ignorance, which is man's true state. The sciences have two extremes which meet. The first is the pure natural ignorance in which all men f...”

“ : ' , .”

“All good writing is persuasive writing; persuading the reader to buy what you're selling, to side with you, to believe the tales you tell.”

“Yet it is folly to argue against determined hardness; eloquence may strike the ear, and the language of sorrow draw forth the tear of compassion, but nothing can reach the heart that is steeled wit...”

“Rhetoric may be defined as the faculty of observing in any given case the available means of persuasion. This is not a function of any other art.”

“I am older than you. Believe me, there is no other way to live on earth. Men are not open to truth or reason. They cannot be reached by a rational argument. The mind is powerless against them. Yet ...”

“The relationship between truth and reason:"Truth cannot be reached by reason alone!”

“I writeNotFor the sake of gloryNot For the sake of fameNotFor the sake of successBut for the sake of my soul”