Love is tested when you have to sacrifice for the object of love.
Character is to be willing to make personal sacrifices for a higher purpose in life.
Compassion is a quality which impells one to perform sacrifices.
What touches our hearts and impresses us deeper is sacrifice and humility, when we see someone accept the higher principle of cooperation, putting aside his/her own achievements.
Unless one is willing to accept sacrifice or inconvenience, nothing great can be accomplished in life.
One who has no compassion for humanity and does not sacrifice his impermanent body for the higher causes of religious principles or eternal glory is certainly pitied even by the immovable beings.