Sustainability is not a choice; it's an imperative for long-term success.

I have to say to myself that some birds aren't very close. Their feathers are just too bright. When they fly away, you know it's a sin to lock them up, and you'll be inspired by them. Still, the place you live in is that much more drab and empty that they're gone. I think I really miss my friends.

在追求讲故事的过程中，你必须无所畏惧。

Memory is not just a personal thing; it is also a collective thing.

When we understand knowledge-based systems, it will be as before -- except our fingertips will have been singed.

Natural gas is a bridge to a cleaner energy future, but we must cross that bridge responsibly.