“Civility costs nothing and buys everything.” Mary Wortley Montague
It cannot be said any better, and it cannot be hyped any further. Being courteous at all times, giving regards to whom regards is due and not due, is a sure propelling force that would take you to that place you earnestly desire.
This is a known fact, and it is assumed that it has resonated with you, otherwise you should work towards being courteous. Would you?