He achieved great success in that project.

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.

The one-eyed goblin was dancing in the forest.

Believing that failure is a stepping stone to success, he challenged again.

Believing that failure leads to success, he continued to challenge himself over and over again.

His long talk is just like 'a hundred days of sermonizing without a fart.'