Answer: If it causes you or anyone else harm including that person themselves. Also in some circumstances if it will only do good and you know for sure things can not go wrong
Explanation:
Thoreau moved to the woods of Walden Pond to learn to live deliberately. ... I went to the woods because I wished to live deliberately, to front only the essential facts of life, and see if I could not learn what it had to teach, and not, when I came to die, discover that I had not lived.
C. Interrogative, question mark