Before starting a new business, he said, 'Nothing ventured, nothing gained.'

He cautioned not to speak ill of others, saying, 'Illness enters by the mouth, and disaster does not come out of it.'

UNESCO is an international organization that promotes the development of education, science, and culture around the world.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.