It means that everyone can make mistakes. It is possible for people to make mistakes regardless of their age, position, gender or education. The important thing is not "making mistakes," it is "not to repeat the mistake" and "not to insist on mistake." We should never forget and keep remembering this word: "Everyone can make a mistake once, but you doubt the minds of those who make the same mistake twice. Taking lessons from mistakes means virtue.
Translation: Asuman İşler