They do tricks even I can't figure out.
Magic is the sole science not accepted by scientists, because they can't understand it.
Never try to fool children, they expect nothing, and therefore see everything.
The pickpocket is usually very well dressed and of prepossessing appearance.
But it must not be thought that I say this out of personal experience: for in the many years that I have been before the public my secret methods have been steadily shielded by the strict integrity of my assistants, most of whom have been with me for years.
Keep up your enthusiasm! There is nothing more contagious than exuberant enthusiasm.