There's nothing so rewarding as to make people realize they are worthwhile in this world.

There's nothing so rewarding as to make people realize they are worthwhile in this world.

There are times when what's happening in rock is the best music in the world, and there are times when there is nothing worthwhile at all.

It's not going to be easy. And nothing worthwhile is easy.

If we had done nothing else, these findings alone would have made the Cassini mission worthwhile.

It's so political in the real world. You're inviting people you don't really want to but you have to because your mother knows them from 30 years ago.