It is the mark of an educated mind to be able to entertain a thought without accepting it.
(Aristotle)

It is unbecoming for young men to utter maxims.
(Aristotle)

The educated differ from the uneducated as much as the living from the dead.
(Aristotle)

You've really got to start hitting the books because it's no joke out here.
(Spike Lee)

Time is a great teacher, but unfortunately it kills all its pupils.
(Hector Berlioz)

You can teach a student a lesson for a day; but if you can teach him to learn by creating curiosity, he will continue the learning process as long as he lives.
(Clay P. Bedford)

Get over the idea that only children should spend their time in study. Be a student so long as you still have something to learn, and this will mean all your life.
(Henry L. Doherty)

Common-sense in an uncommon degree is what the world calls wisdom.
(Samuel Taylor Coleridge)

No man was ever wise by chance.
(Seneca)

A man begins cutting his wisdom teeth the first time he bites off more than he can chew.
(Herb Caen)

There is a wisdom of the head, and... a wisdom of the heart.
(Charles Dickens)

Learning sleeps and snores in libraries, but wisdom is everywhere, wide awake, on tiptoe.
(Josh Billings)

Protect me from knowing what I don't need to know.  Protect me from even knowing that there are things to know that I don't know.  Protect me from knowing that I decided not to know about the things that I decided not to know about.  Amen. 
(Douglas Adams)

Beware the man of one book.
(St. Thomas Aquinas)

The wise learn many things from their enemies.
(Aristophanes)

Sit down before fact as a little child, be prepared to give up every conceived notion, follow humbly wherever and whatever abysses nature leads, or you will learn nothing.
(Thomas Huxley)

Children have to be educated, but they have also to be left to educate themselves.
(Abbé Dimnet)

I don't think much of a man who is not wiser today than he was yesterday.
(Abraham Lincoln)

The ink of the scholar is more sacred than the blood of the martyr.
(Mohammed)

Learning is a treasure that will follow its owner everywhere.
(Chinese Proverb)

I am always ready to learn although I do not always like being taught.
(Winston Churchill)

The purpose of learning is growth, and our minds, unlike our bodies, can continue growing as we continue to live.
(Mortimer Adler)

I am defeated, and know it, if I meet any human being from whom I find myself unable to learn anything.
(George Herbert Palmer)

Beware of the man who works hard to learn something, learns it, and finds himself no wiser than before.
(Kurt Vonnegut, Jr.)

No matter how one may think himself accomplished, when he sets out to learn a new language, science, or the bicycle, he has entered a new realm as truly as if he were a child newly born into the world.
(Frances Willard)

Anyone who stops learning is old, whether at twenty or eighty.
(Henry Ford)

If the past cannot teach the present and the father cannot teach the son, then history need not have bothered to go on, and the world has wasted a great deal of time.
(Russell Hoban)

You have learned something. That always feels at first as if you had lost something.
(H.G. Wells)

I have never in my life learned anything from any man who agreed with me.
(Dudley Field Malone)