农业的未来在于平衡生产力与环境管理的可持续实践。
The future of agriculture lies in sustainable practices that balance productivity with environmental stewardship.
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
It is vain to talk of the interest of the community， without understanding what is the interest of the individual.
发现的喜悦是推动数学家前进的动力。
Reflection is not the evil. The evil is the state of reflection, and the stasis that comes with reflection.