国家的未来取决于今天的教育。
物理学的美丽在于它能够用简单的原理描述复杂的事物。
"Happiness is holding someone in your arms and knowing you hold the whole world."
The best time to plant a tree was 20 years ago; the second-best time is now.
形容深沉的幽情在孤寂中愈发浓烈