If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.

We could never learn to be brave and patient, if there were only joy in the world

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

I think that kids have a greater capacity for processing things than we give them credit for.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

The schools ain't what they used to be and never was.

There is nothing more awful, insulting, and depressing than banality.

Real knowledge is to know the extent of one's ignorance.

Know what you are talking about.

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.

Knowing is not enough; we must apply. Willing is not enough; we must do.

The more I read, the more I acquire, the more certain I am that I know nothing.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

If one cannot enjoy reading a book over and over again, there is no use in reading it at all.

Education is the kindling of a flame, not the filling of a vessel.

What is freedom of expression? Without the freedom to offend, it ceases to exist.

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

No power and no treasure can outweigh the extension of our knowledge.

Books are as useful to a stupid person as a mirror is useful to a blind person.