I believe that pacing refers to the speed at which the speaker pronounces words and phrases, basically the speed at which somebody talks.
Vas happenin!
Hope your day is good
There is correct
Their is used for people
They’re is they are
In the first stanza the poet says once he planted a seed in some good time that over the years blossomed into a beautiful flower; but people criticized it and called it a weed. All those who passed by his garden saw the flower and expressing their disapproval of its beauty would keep on criticizing
