"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."
"Wisest is she who knows she does not know."
"Man is the measure of all things', said the Sophist Protagora (c. 485-410 B.C.). By that he meant that the question of whether a thing is right or wrong, good or bad, must always be considered in relation to a person's needs."
"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"
"A lot of people experience the world with the same incredulity as when a magician pulls a rabbit out of a hat.…We know that the world is not all sleight of hand and deception because we are in it, we are part of it. Actually we are the white rabbit being pulled out of the hat. The only difference beween us and the white rabbit is that the rabbit does not realize it is taking part in a magic trick."
"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."