He is a respectable person because he always has the courage to speak out he knows is true, do what he feels is right and fights for what he thinks is unfair.

他是一位值得尊敬的人，因为他总是有勇气说出他所知道的真相，做他认为正确的事情以及对抗他所认为不公平的事情。

曹老师好，原句speak out he knows is true 中，speak后面丢了what吗？what能随便省略吗？

谢谢老师。