Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
I do not know how to teach philosophy without becoming a disturber of the peace.
The progressive development of man is vitally dependent on invention.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
Educate the children and it won't be necessary to punish the men.
An investment in knowledge pays the best interest.
Just because I don't care doesn't mean I don't understand.
Education is the most powerful weapon which you can use to change the world.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
Opinion is the medium between knowledge and ignorance.
Knowing others is wisdom, knowing yourself is Enlightenment.
It is better to know how to learn than to know.
Many much-learned men have no intelligence.
Education is an ornament for the prosperous, a refuge for the unfortunate.
Investigate, educate and organize the country must progress, productive works and industries are the main avenues at present next to education for the advancement of the country
If there were no bad people, there would be no good lawyers.
The whole of science is nothing more than a refinement of everyday thinking.
It is what you read when you don't have to that determines what you will be when you can't help it.
Courage, conviction and confidence.