Science is a wonderful thing if one does not have to earn one's living at it.
一个有父母在世的犹太男人是一个十五岁的男孩,并且将一直是一个十五岁的男孩,直到他们去世!
在科学领域,我们必须准备好接受我们最珍视的理论有一天可能会被取代。
 The last time I was intimidated was when I was 6 years old in karate class.