Which statement from the story provides the best insight into the inner thoughts and feelings of daedalus

Assuming that you're referring the the book a portrait  of the artist as a young man, Daedalus often feel lonely because nobody ever there for him (even his parents left him) and he always get bullied
He soon realized that he can momentarily escaped his cruel reality when he's doing his writing

hope this helps
 

Three meaningful lines in "The Leap" are as follows:

1."I owe her my existence three times."

2."My mother once said that I'd be amazed at how many things a person can do within the act of falling."

3."I know that she's right. I knew it even then. As you fall there is time to think."