"I am not unaware how unpopular on this floor are the sentiments I am about to advocate"

In this quote, Benjamin F. Wade is expressing his awareness of the unpopularity of the views he is about to reveal. He is likely describing a particular floor or location, such as a legislative chamber, where he is about to present his views. He knows that his views will not be well-received by the people in the space, but he is still going to advocate for them. This quote speaks with Wade's nerve and conviction in his beliefs, as he is willing to stand up for what he believes in, even if it is not popular. It likewise speaks with the significance of having the nerve to speak up for what you believe in, even if it is not popular.