To test a perfect theory with imperfect instruments did not impress the Greek philosophers as a valid way to gain knowledge.

What would you consider a good job?" Answered as follows:"A good job is one in which I don't have to work, and get paid a lot of money."When I heard that I cheered and yelled and felt that he should be given an A+, for he had perfectly articulated the American dream of those who despise knowledge. What a politician that kid would have made.

The true delight is in the finding out rather than in the knowing.

Your assumptions are your windows on the world. Scrub them off every once in a while, or the light won't come in.

Forse non esiste una fine nella scienza e ciò è anche un bene perché un universo senza misteri sarebbe insopportabilmente noioso.(da Il libro di biologia)

The infinity of potential knowledge may be infinitely greater than the infinity of my actual knowledge.

You feel humiliated, my young man, because thinking you understood so much so well, you suddenly find that many very apparent things were unknown to you. Thinking you were one of the Lords of the Galaxy; you suddenly find that you stand near to destruction. Naturally, you will resent the ivory tower in which you lived; the seclusion in which you were educated; the theories on which you were reared.

Öğrenmek demek ufkunuzu genişletmek, daha fazla şey yaşamak ve kendinize farklı yaşam alanları yaratmak demektir. ... Bilgi yalnızca güç değildir; bilgi mutluluktur ve bilginin size öğretilmesi ise entelektüel manada, sevilmekle eşdeğerdir.

Experimentation is the least arrogant method of gaining knowledge. The experimenter humbly asks a question of nature.