Knowledge is power.
Imagination is more important than knowledge.
Knowledge is limited.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
Information is not knowledge.
Real knowledge is to know the extent of one's ignorance.
Ignorance is the curse of God; knowledge is the wing wherewith we fly to heaven.
Where is the Life we have lost in living? Where is the wisdom we have lost in knowledge? Where is the knowledge we have lost in information?
There is much pleasure to be gained from useless knowledge.
Knowledge is of no value unless you put it into practice.
If you have knowledge, let others light their candles in it.
Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.
When you know a thing, to hold that you know it, and when you do not know a thing, to allow that you do not know it - this is knowledge.
The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.
Whoever undertakes to set himself up as a judge of Truth and Knowledge is shipwrecked by the laughter of the gods.
Knowledge is a process of piling up facts; wisdom lies in their simplification.
Beware of false knowledge; it is more dangerous than ignorance.
Knowledge comes, but wisdom lingers.