The only source of knowledge is experience. >>
It should be possible to explain the laws of physics to a barmaid. >>
Imagination is more important than knowledge. For knowledge is limited >>
Nothing is cheap which is superfluous, for what one does not need, is >>
There are very honest people who do not think that they have had a bar >>
A bargain is in its very essence a hostile transaction do not all men >>
Sometimes one pays most for the things one gets for nothing.