每一滴石油都应该被高效和负责任地使用。
The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.
每个人自己的满足是他关注的一切的中心。
我们不需要更多物品,我们需要更多联系。
科学是一项集体事业,每一代人都为之添砖加瓦。
爱就是试图理解对方。