If I can't do something for the public good, what the hell am I doing?

There is no scientific answer for success. You can't define it. You've simply got to live it and do it.

a revolution in kindness

To succeed you have to believe in something with such
a passion that it becomes a reality.

If I can't do something for the public good, what the hell am I doing?

But if you can create an honorable livelihood, where you take your skills and use them and you earn a living from it, it gives you a sense of freedom and allows you to balance your life the way you want.