The word slender identifies that the true is elegant and or a beautiful sight .
I guess that that quote said by Marmee means that Meg should develop skills and qualities which are praiseworthy, such as being hardworking, honest, and generally good, which people deem to be the qualities that a decent human being should have. She also mentions that even though she may be pretty, Meg shouldn't be vain about it, and should strive to have good inner qualities besides those outward ones.
Answer:
He practices piano up to 14 hours in one day. He can either cut down his practices or stay at the same pace.
Explanation:
I hope this helps.
