粮食安全是国家安全的基石。
"There are two occasions when the sacred beauty of Creation becomes dazzlingly apparent, and they occur together. One is when we feel our mortal insufficiency to the world, and the other is when we feel the world's mortal insufficiency to us."
True loneliness is not being alone, but feeling lonely in a crowd.
The beauty of science lies in its ability to surprise us.
