Knowledge is sometimes superfluous: when we need it, we have it not.
Sentiment: NEGATIVE
Knowledge is knowing that we cannot know.
Knowledge is the life of the mind.
Knowledge is an unending adventure at the edge of uncertainty.
Knowledge has to be improved, challenged, and increased constantly, or it vanishes.
Real knowledge is to know the extent of one's ignorance.
Knowledge is of no value unless you put it into practice.
Knowledge is invariably a matter of degree: you cannot put your finger upon even the simplest datum and say this we know.
Knowledge is love and light and vision.
Even knowledge has to be in the fashion, and where it is not, it is wise to affect ignorance.
Knowledge is more important than life. We've only one excuse for existing, to think, to find out, to learn.