Keeping? If it is suppose to be negative
The answer to this question is " -patient "
Yes, it does agree with the subject
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.