Sustainability in agriculture is not an option—it's a necessity for the future of our planet.
The most important political virtue is moderation.
物理学的未来不在于发现新的粒子,而在于理解支配我们已经知道的粒子行为的更深层次的原则。
热闹荣华的光景,过后即生空虚凄凉;而清淡脱俗的作为,才能历久而更有意味。