The second line contributes to a tone of excitement and hope .
Explanation: As the title of the poem suggests ,the heart and the hand both are seemingly untamed .The second line begins with the aliteration and mentions about a 'fixed wild and wandering thought '.The poet describes both opposite reactions of being wild and untamed as against the thoughts being fixed.the thoughts being fixed is indicative of a better tomorrow which bring in lot of hope and excitement.
what do you mean by that?
Answer:
It figuratively means that the speaker is too busy working on his/her own things and making them better and cannot focus or help someone else.
