Every great advance in natural knowledge has involved the absolute rejection of authority.

To be conscious that you are ignorant of the facts is a great step to knowledge.

Prices are important not because money is considered paramount but because prices are a fast and effective conveyor of information through a vast society in which fragmented knowledge must be coordinated.

The great end of life is not knowledge but action.

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 not ignorance but knowledge which is the mother of wonder.

Knowledge slowly builds up what Ignorance in an hour pulls down.

Scientists have become the bearers of the torch of discovery in our quest for knowledge.

Those Dutchmen had hardly any imagination or fantasy, but their good taste and their scientific knowledge of composition were enormous.

A little knowledge is a dangerous thing, but a little want of knowledge is also a dangerous thing.