To look up at the heights of heaven and to admire the stars.
Technological progress should make life simpler, not more complicated.
伟大的领导者倾听多于发言。
"Every act of creation is first an act of destruction."
利用不同的感官刺激,有条不紊地将注意力引导到儿童的活动甽,即便是嗅觉也可以用理解的方式来训练,从而成为他们探索环境的器官。