Here; singly to your face, or in the presence of your nation.
It does not tell us singly what poetry is, but it speculates upon the cause and effect of poetry.
Singly, they are strong impulses; combined, their power is irresistible.
With the halting precision of the ignorant, she had counted them singly every day.
In the mass they are appalling but singly they are surmountable.