全球能源合作对于应对共同挑战至关重要。
The notion of truth is not definable in any formal system that is strong enough to include arithmetic.
I love man as my fellow; but his scepter, real, or usurped, extends not to me, unless the reason of an individual demands my homage.
We're told, from many sources, that any onecan achieve anything. We've done away with the caste system, we are now in a system where anyone can rise to any position they please. And it's a beautiful idea. Along with that is a kind of spirit of equality; we're all basically equal. There are no strictly defined hierarchies. There is one really big problem with this, and that problem is envy.