Being selfish only benefits a few. Considering others benefits all of mankind.
Forgiveness is one of the keys to moving forward because if you don't forgive, you are stuck in the past.
Know how you want to be treated, and expect that when you deal with people. Also remember to give people the respect that you want.
I measure my friends not by being there with me when everything is going well, but embracing me when I'm criticized and when I endure tough times.
A man is just as sensitive as a woman because we are all human.