The best time to plant a tree was 20 years ago. The second best time is now.
创新不仅仅是技术的问题;它关乎改变思维方式并拥抱新的思考方式。
人性本善,但罪恶的社会环境使人变坏了。
Every discovery in physics opens a door to a new mystery, and that is the beauty of science.
如果你能梦想它,你就能做到它。