Is this the Scarlet Ibis story?
Answer:
Uncertanity is to hesitation as error is to accuracy
(I feel like this is a well known phrase or something like that but I can't remember what it is so sorry if this is a question on something and you get it wrong!)
I am not sure with the answer "Unless the adverb phrase or clause comes before the main clause which I highly doubt than you do not need any punctuation."
have a great day!!!