Minds are like parachutes -they only function when open.
The more extensive a man's knowledge of what has been done,
the greater will be his power of knowing what to do.
It is impossible to defeat an ignorant man in argument.
Even a fool knows you can't touch the stars, but it doesn't stop a wise man from trying.
I find that a great part of the information I have was acquiredby looking up something and finding something else on the way.
True knowledge exists in knowing that you know nothing.
The beginning of knowledge is the discovery of something we do not understand.Imagination is more important than knowledge.
