1. The best good people are those who have made mistakes; a person will often become better in the future because of a small shortcoming. ——Shakespeare's "Tit for Tat" If a person does not make some mistakes in his life, it may be a mistake. ——Europe

2. The correct result is derived from a large number of mistakes; without a large number of mistakes as a stepping stone, you will not be able to reach the high seat of the final correct result. ——Qian Xuesen

3. No matter how good the shooter is, he will miss the target sometimes. ——Britain

4. Rather than saying that we have the right to prevent errors, it is better to say that we have the right not to persist in fallacies. ——Gasendi

5. Even a horse with four legs will fall.

——Hungary