If you have a vaccine or an antidote that people can benefit from you're not going to want to keep it to yourself. You're going to want to spread that wisdom or whatever to as many people as you can so everybody can benefit from it.
I not events have the power to make me happy or unhappy today. I can choose which it shall be. Yesterday is dead tomorrow hasn't arrived yet. I have just one day today and I'm going to be happy in it.
