What's More Important Than Happiness?

Is there anything that you would prize above personal happiness? Something that is so important that, if you had to, you would willingly sacrifice your happiness in order to pursue or ensure it?

If yes, what?

Do you believe that it's universally more important than happiness, or do you believe it's a reflection of your personal priorities—that it wouldn't be morally wrong for other people to choose otherwise?

Please leave a comment. I would love to hear what you think!