虽然我们自己的技术正摧毁旧的社会组织形式，创造新的社会组织形式，人们仍在容忍徒劳无功的工作和懒懒散散，无所事事。
Although our own technology is destroying old and creating new forms of social organization, men still tolerate meaningless work and idleness.
卫生工作及其严格地教育我们，正象没有行动的知识是浪费资源一样，没有知识的行动是徒劳无功的。
Health work teaches us with great rigour that action without knowledge is wasted effort, just as knowledge without action is a wasted resource.
没有希望的工作就像往筛子里泼洒甘露（喻徒劳无功），没有目标的希望不会实现---P.B。雪莱，英国诗人。
Work without hope draws nectar in a sieve, And hope without an object can not live---Percy Bysshe Shelley, British poet.
爱因斯坦想通过纯粹的推理来推断出这个玩具的工作原理，但却徒劳无功。
Einstein tried to deduce the operating principle of the toy purely by reasoning, but he was in vain.
爱因斯坦想通过纯粹的推理来推断出这个玩具的工作原理，但却徒劳无功。
Einstein tried to deduce the operating principle of the toy purely by reasoning, but he was in vain.
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