What is courage?

"There are many kinds of courage, some are awesome and some are ordinary." This sentence is so right. Courage is not only about doing some big things, but also about small things. Courage can be exploring the sky and deep sea, or it can be a firm jump from a high diving platform; Courage can climb the highest mountain wet, but it can also be riding a bike without a safety wheel. After the exam, you calmly pointed out to the teacher the mistakes that the teacher didn't recognize on the test paper, which was courage; At the end of the class, you stopped a senior student who bullied his junior classmates. This is courage. In music class, you try to play a difficult tune on the clarinet, which is also courage. As far as courage is concerned, an acrobat needs the same courage to walk a tightrope as a child walking on the edge of a flower bed. Courage is courage, not only cow force is courage, but also ordinary and sometimes courage.