To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.

I'm not afraid to speak my mind.

Quality is our lifeline and we must never compromise.

语法和语义之间的相互作用是形式语言研究的核心。