If you're doing something useful for society, that's a good thing, even if it doesn't change the world. Creating something that provides value to a large number of people is important.

If you're doing something useful for society, it doesn't have to change the world; even small improvements that benefit many people are valuable.

If you're doing something useful for your fellow human beings, that's great. Focus on creating super truthful AI, as understanding the nature of the universe is a key goal for AI.

To have an impact, focus on the intersection of what you're good at, what you enjoy, and where you can create value for the world.

Do something you care about with people you believe in, and focus on what you can contribute. That's how you make a difference.

Aspire to do true work that is useful to as many people as possible. It's incredibly difficult to achieve, but if you focus on being useful, your probability of success is much higher.

Aim to contribute more to society than you consume; strive for a positive net contribution.

I aimed to be useful and focused on what I could do that would have a practical impact on the world.

It's beneficial to create something that makes a significant difference for a small to moderate number of people, or something that makes a small difference but impacts a vast number of people.