A little knowledge that acts is worth infinitely more than much knowledge that is idle.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
I learned very early the difference between knowing the name of something and knowing something.
Any sufficiently advanced technology is indistinguishable from magic.
If the facts don't fit the theory, change the facts.
If you want the present to be different from the past, study the past.
Education is an ornament for the prosperous, a refuge for the unfortunate.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
When you know better you do better.
Men are born ignorant, not stupid. They are made stupid by education.
I am a part of everything that I have read.
Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.
It is what you read when you don't have to that determines what you will be when you can't help it.
Education is the kindling of a flame, not the filling of a vessel.
The most savage controversies are those about matters as to which there is no good evidence either way.
Just when I thought there wasn't room enough for another thought in my head, I had this great idea.
What we know is a drop, what we don't know is an ocean.
There is no authority who decides what is a good idea.
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.
A thought is an idea in transit.