The only true wisdom is to know that you know nothing.
A wise man speaks because he has something to say; a fool because he has to say something.
The more that you read, the more things you will know.The more that you learn, the more places you'll go.
It's a terrible thing to see and have no vision.
I am not yet young enough to know everything.
Imagination is more important than knowledge. For knowledge is limited to all we now know and understand, while imagination embraces the entire world, and all there ever will be to know and understand
For my part I know nothing with any certainty, but the sight of the stars makes me dream.
A book is a loaded gun in the house next door...Who knows who might be the target of the well-read man?
When you're really knowledgeable and passionate, it's hard to be stumped.
There are only two kinds of people who are really fascinating: people who know absolutely everything, and people who know absolutely nothing.