我们有责任为子孙后代留下一个比我们发现时更好的地球。
We have a responsibility to future generations to leave the planet in better shape than we found it.
The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.
文学让我们能够过其他生活，体验其他现实。
畜牧业的未来在于平衡生产力与道德责任。
The pursuit of science is more than the pursuit of understanding. It is the pursuit of a kind of wisdom that comes from knowing how much we do not know.