John Locke

"Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours."

"All wealth is the product of labor."

"Freedom is not freedom to do what you like, but freedom to do what you ought."

"The great end of men's actions is some good."

"No man's knowledge here can go beyond his experience."

"Where there is no property there is no injustice."

"Curiosity in children is but the appetite of knowledge."

"The true ground of morality can only be the happiness of mankind."

"He that would seriously set upon the search of truth ought in the first place to prepare his mind with a love of it."

"Kindness is a language which the deaf can hear and the blind can see."

"I am not afraid of storms, for I am learning how to sail my ship."

"The dread of man's punishment in the other world is the greatest restraint to men."

"It is one thing to show a man that he is in error, and another to put him in possession of truth."

"Children are like plants; they need feeding, but the food must be appropriate."

"Money is not wealth; it is only a sign of wealth."

"The legislative power is that which has a right to direct how the force of the commonwealth shall be employed."

"Health is a state of complete physical, mental and social well-being."

"Solitude is as needful to the imagination as society is wholesome for the character."

"The natural liberty of man is to be free from any superior power."

"We are like chameleons, taking our hue from the things we contemplate."

"Action may not always bring happiness; but there is no happiness without action."

"Good and evil are nothing but pleasure and pain."

"The only fence against the world is a thorough knowledge of it."

"To love truth for truth's sake is the principal part of human perfection."

"Time will tell whether the grass is greener on the other side."

"Government has no other end than the preservation of property."

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

"Of all the ways to lead people, leading by example is the most effective."

"The secret of education lies in respecting the pupil."

"One unerring mark of the love of truth is not entertaining any proposition with greater assurance than the proofs it is built upon will warrant."