It is that of increasing knowledge of empirical fact intimately combined with changing interpretations of this body of fact - hence changing general statements about it - and not least a changing a structure of the theoretical system.

Although your knowledge is weak and small you need not be silent: since you cannot be judges be at least witnesses.

Wild Bill was anything but a quarrelsome man yet I have personal knowledge of at least half a dozen men whom he had at various times killed.

That writer does the most who gives his reader the most knowledge and takes from him the least time.

We are least open to precise knowledge concerning the things we are most vehement about.

Mistakes are after all the foundations of truth and if a man does not know what a thing is it is at least an increase in knowledge if he knows what it is not.

The Gorillaz cartoons seem more real to me than the actual people on TV. Because at least you know that there's some intelligence behind the cartoons and there's a lot of work that's gone into it so it can't all be just a lie.

Three-quarters of the sicknesses of intelligent people come from their intelligence. They need at least a doctor who can understand this sickness.

Everyone is a genius at least once a year. The real geniuses simply have their bright ideas closer together.

To my mind the boy who gives least promise is one in whom the critical faculty develops in advance of the imagination.