I don't sing because I'm happy; I'm happy because I sing.
The lab notebook is a scientist’s most honest companion.
The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.
I do not make films primarily for children. I make them for the child in all of us, whether we be six or sixty.
写作的艺术是发现一个人所相信的东西的艺术。