Wisest is she who knows she does not know. - Jostein Gaarder, Sophie's World

"When we sense something, it is due to the movement of atoms in space. When I see the moon it is because "moon atoms"penetrate my eye."

"Life is both sad and solemn. We are led into a wonderful world, we meet one another here, greet each other - and wander together for a brief moment. Then we lose each other and disappear as suddenly and unreasonably as we arrived."

"And although I have seen nothing but black crows in my life, it doesn't mean that there's no such thing as a white crow. Both for a philosopher and for a scientist it can be important not to reject the possibility of finding a white crow. You might almost say that hunting for 'the white crow' is science's principal task."

"ويبدوا أنه مع العمر لا يطل هناك ما يدهشان . لكننا بذلك نفقد شيئا أساسيا هو ما يحاول الفلاسفة إيقاظه فيه داخلنا. ذاك ‘ن صوتا في عمق أعماقنا يقول لنا ان الحياة لغز كبير. وهذا ما جربناه قبل أن يعلموننا اياه بكثير"

"The rearing of children is considered too important to be left to the individual and should be the responsibility of the state."