题目内容：

短文改错

My little cousin is greatly interesting in science. And he does some dangerous experiments sometimes. Although his parents want to encourage him to be great scientist, at times they worry about his safety. Last week, if my cousin was doing an experiment, he hurts his thumb. My aunt felt sadly and wanted him to stop from doing that experiment. However, my cousin didn't want to give up. She said, “Many scientists got hurt when they were doing experiments, so they didn't give up.” My aunt had to let him finish the experiments and he finally succeeded in finish it