早在20世纪80年代,当我开始研究人类衰老的时候,我相信在未来的几十年里,我们将会找到一种能以健康的头脑和身体存活300年的方法。我乐观地计划着:担任大约30年的教授,退休5年,然后回到学校接受4年的新教育,并再次开创20多年新的职业生涯——如此循环往复。但一年前,当我66岁的时候,文理学院——我的职业生涯大部分时间都在这里度过——为我提供了一个非常慷慨的退休计划。到那时为止,我已经 As early as the 1980s, when I started to study human aging, I believe we will find a way to survive with a healthy mind and body for 300 years in the coming decades. I am optimistic that I plan to work as a professor for about 30 years, retire for 5 years, then return to school for 4 years of new education, and once again create a new career for more than 20 years - so cycle. But a year ago, when I was 66, the liberal arts college - where I spent most of my career here - provided me with a very generous retirement plan. Until then, I already