30-05-2015, 09:11 PM
[video=youtube_share;o6kdi1UXxhY]http://youtu.be/o6kdi1UXxhY[/video]
“The most difficult subjects can be explained to the most slow-witted man if he has not formed any idea of them already; but the simplest thing cannot be made clear to the most intelligent man if he is firmly persuaded that he knows already, without a shadow of doubt, what is laid before him.â€
― Leo Tolstoy,
― Leo Tolstoy,