Pagina's
Startpagina
Wiswijzer
Wiskundeleraar
WisFaq
Twitter
Wie ben ik?
woensdag 8 mei 2013
Optimisten en pessimisten
"The optimist proclaims that we live in the best of all possible worlds; and the pessimist fears this is true."
James Branch Cabell - Quotes of the Day
Nieuwere post
Oudere post
Homepage