Matthew Poole and continuators on Genesis 4:12

12. When thou tillest the ground it shall not henceforth yield unto thee her strength . A fugitive and vagabond shalt thou be in the Earth.

Or, That ground, which doth or shall fall to thy share, which besides the first and general curse inflicted upon the whole Earth, shall have this peculiar curse added to it.

(i. e.) Its vertue, and fruit, in such proportion as it hath hitherto done.

Banished from thy own Land and Kindred, and fathers house, and from the whole society of the faithful, and wandring hither and thither. Others render the words mourning and trembling: or, trembling and wandring. These two words note both the unquietness and horrour of his Mind and Conscience, and the unsettledness of his habitation and condition, and as some add, the trembling of his Body.