Both are equally as important. It’s great to learn from your own mistakes because you suffer the consequence or thrive in the reward. But same for learning from others. If you are surrounded by people who are a bad influence, they may suffer the consequences of their actions and you will know not to make the same mistake they did. If you surround yourself with a good group of people, they may be rewarded for something they did or an achievement they reached, so it may encourage you to do better or be a better person like your friends.
Seeds begin as a very small object or device, just like our courage. We only need a tiny little seed of courage for it to grow, and once you give that little courage it continues to grow.
The answer is A) I learned to sew by taking a class, it was taught by a great teacher. The reason is because a comma splice is used to join two independent clauses together. An independent clause is a simple sentence that can stand alone on its own. Because the first part and second part of the sentence can stand alone on their own as two separate sentences they are both independent clauses. Thus A is an example of a comma splice.