Mark Twain values honesty, integrity, and a sense of humor in a person. He also admires individuals who are independent thinkers and have a strong sense of individualism. Twain often praised those who were willing to challenge societal norms and think for themselves.
does sandburg seem to admire this aspect of lincoln's character
yes
Mark Twain is the person to have been quoted saying that. However it would seem about a million people have said it since. I don't think it spoils a good walk.
Twain's use of detailed descriptions, historical references, and a formal tone in the opening paragraphs of his work can make it seem like a serious study. Additionally, his inclusion of statistics and data adds to the scholarly feel of the text.
I seem to recall it was a black horse. You may be able to find the video on YouTube to be certain.
Mark Twain once said, "An expert is someone from out of town with a briefcase." This quote humorously points out how people from out of town can seem authoritative or knowledgeable simply because they are unfamiliar to the locals.
Maybe you misinterpret something? There doesnt seem to be a declaration of value, but maybe declaration of variable?
In general, writing "instantly occurred" does not make a person seem clever. However, if you write that a solution or answer instantly occurred to someone, that person might seem intelligent or clever.
Cleverness is often rewarded
Independence
There is no such person: she or he does not seem to exist.
The phrase "Why can't I quit you?" Implies one, that the person is addicted to the subject, and two, the person wants to know why they can not seem to break this addiction. If the phrase is said by the subjects lover, it would seem that the person does not want to be in a relationship, but can not seem to keep themselves away from the subject.