16. On the first day of school, Socrates (苏格拉底) told his students, "Today, we'll only learn one thing, that is to stretch (前伸) for your (1)_______ forward, then try to swing (甩动) them backward. " He showed them and as a (2)________ all the students laughed. "Sir, is it also learned?" one of the students laughed.
"Of course! You think this is a simple thing, but it is difficult." Socrates replied (3)________. Hearing this, the students laughed (4)______ harder.
(5)_______ being a little angry, Socrates said, "In this class I'll teach you how to learn this action well. After that, start today, and you will do it 100 times a (6)________."
10 days later, Socrates asked, "Who still (7)________ to swinging his arms?" About 80% of the students raised their hands. 20 days later, Socrates asked. "Who still insist (坚持) on swinging his arms?" About 50% of them (8)________ their hands. 3 months later, Socrates asked again, "Who still insists on that (9)________ action of swing?" This time, only one student raised his hand. He was Plato (柏拉图).
Perseverance (坚持不懈) is the simplest yet most difficult thing in the world, because everyone can do it, (10)________ not everyone will do. Only the one who can hold on a simple thing may make it!