John Locke

"Men who have been raised by manual labor cannot endure confinement."

"The sight of a plain man is better than the smell of a rose."

"Our conduct is the only mirror by which we can truly know ourselves."

"Errors in the beginning must necessarily be infinite in the end."

"The two powers which in my opinion constitute liberty are the power of thinking and the power of action."

"A man is not at all in doubt of your sincerity when he sees you act as you speak."

"If we would know our duty, we must know the nature of man."

"The true secret of giving advice is, after you have honestly given it, to be perfectly indifferent whether it is taken or not."

"All things in life are moral; and in their accumulated action constitute the final result we call our destiny."

"The great art of study is to learn what to omit."

"To avoid doing good in order to avoid doing harm is the very essence of moral cowardice."

"The earth seems never to have been a place where one man could persecute another with impunity."

"Whoever is not content in marriage will never be content anywhere."

"Few are to be found who have not been benefited by the mistakes they have made."

"The surest way to remain poor is to be an honest man."

"Of all the knowledge that we can ever obtain, the knowledge of ourselves is the most important."

"The conduct of our lives is the only true mirror of our doctrine."

"To do more for the world than the world does for you, that is success."

"The most powerful symptom of a great mind is readiness to listen."

"I have always thought the actions of men the best interpreters of their thoughts."

"The preservation of life has priority in the natural law."

"We have as many people educated as we have educated; no more, no less."

"The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others."

"Every man has a property in his own person; this nobody has any right to but himself."

"That which constrains man to be benevolent is duty, not natural inclination."

"Beware of him who hates the laugh of a child."

"The better to understand what men are, we must look at what they do when necessity presses them."

"Freedom of men under government is, to have a standing rule to live by."

"To my mind, the most interesting question is always what assumptions people are making."

"The business of education is not to make the young perfect in any of the sciences, but so to open and dispose their minds as may best make them capable of any."