Pagina's
Startpagina
Wiswijzer
Wiskundeleraar
WisFaq
Twitter
Wie ben ik?
zondag 15 juni 2014
Denken
"There are two ways to slide easily through life; to believe everything or to doubt everything. Both ways save us from thinking."
Alfred Korzybski | Quotes of the Day
Nieuwere post
Oudere post
Homepage
Mobiele versie tonen