To teach how to live without certainty, and yet without being paralyzed by hesitation, is perhaps the chief thing that philosophy, in our age, can still do for those who study it. 教导人们在不能确定时怎样生活下去而又不致为犹疑所困扰，也许这就是哲学在我们的时代仍然能为学哲学的人所作出的主要事情了。