The quote by Tolstoy in paragraph 13 can best be paraphrased as

Hello. You did not enter the text to which this question refers, which makes it impossible for your question to be answered in a specific way. However, I will try to help you, in the best possible way, showing you how to paraphrase.

In summary to paraphrase Tolstoy's quote, you will have to rewrite that quote using different words, but keeping the same meaning as the original quote. For that, you must be the quote and rewrite it without changing the original meaning.

The reason for this is to the actual learning when one fails and try again.

Explanation:

This analyzes how student-centered and teacher-centered approaches the comprehension of space-science concepts of the students impacted by the fourth and fifth grades. The analyst found that the learning results were higher for students who took a student-centered approach to hiring in science classes.