During 41 years of teaching biology at Harvard, I watched sadly as bright students turned away from the possibility of a scientific career or even from taking non-required courses in science because they were afraid of failure.
在我41年哈佛生物教学的职业生涯中, 我很痛心地看到， 很多非常有天赋的学生放弃了成为科学家的机会 甚至在选修课选择时也避开科学相关的内容 因为他们害怕失败．