Acommon theme in wilder's major works is his belief that man has

The answer to this question is "destiny and dignity" and to complete the sentence we have "A common theme in Wilder's major works is his belief that a man has destiny and dignity". He believed there are a true beauty and deepest realities that existed in mankind which is cannot be seen in the physical appearances or by merely looking how it looks outside. 

It's true because this a true statement