"If you can’t explain it simply, you don’t understand it well enough" Albert Einstein
May 27 2013, 15:07
Коментари
eMkyyy

Зависи на кой обясняваш :)

May 27 2013, 15:10
aviatrix

i'm responsible for what i say not for what you understand ;)

May 27 2013, 15:15