If it's advisable to never share own problems with others as sages say that majority don't care, then it's more sensible to never brag of own achievements as their attitude is likely to remain the same.
AnujAll people may not always know those who are not actually good, but they sooner or later get to know all those who are always relatively good.
AnujEveryone makes a difference. Someone who does something for others makes a big difference. A person who has no self-interest to do things for others makes a bigger difference. But, one who does everything for everyone for the sake of humanity without vested interest makes a real big difference for sustainability.
Anuj