If you can't explain it simply, you don't understand it well enough.
To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.
Courage, conviction and confidence.
Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.
To educate a person in the mind but not in morals is to educate a menace to society.
Common sense is the collection of prejudices acquired by age eighteen.
Know what you are talking about.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
Science is a way of thinking much more than it is a body of knowledge.
The secret of life is not enjoyment but education through experience.
We could never learn to be brave and patient, if there were only joy in the world
Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.
The deepest sin against the human mind is to believe things without evidence.
A thought is an idea in transit.
Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.
Learning never exhausts the mind.
Study without desire spoils the memory, and it retains nothing that it takes in.
Books are for people who wish they were somewhere else.