Because you never know who you are talking to. You want people to think the best of you. Say you are accused of pushing a kid at recess. You have never lied to your teacher (your teacher knows this) and so they ask you, "did you push Billy" You reply with "No" she is more likely to believe you because you were honest an left a good impression. Another reason why its good to have a good impression is if you are being interviewed for a job. You want the employer to like you and want to hire you, so you should always put your best foot forward.
Did the class teacher punish him?
The basic idea of this quote )and the lines that come before it) is that one must live life to the fullest extent possible. Thoreau is giving this as his reason for coming out into the woods. He doesn't want to be in the position where, when he's about to die, he realizes that he never really lived.
The tone that one chooses to read an article is used so that it reflects their understanding of the article or at best matches the tone of the article.
<h3>What is Tone in Literature?</h3>
A tone in literature is used to describe the overall character of that writing.
It may also be the attitude of the writer which is reflected in the choice of words used in the text.
See the link below for more about tone:
brainly.com/question/12176973