The only way to learn mathematics is to do mathematics.
也许醒来还是好的,即使痛苦,总比一辈子都被愚弄去幻想要好。
The widespread adoption of drones will bring an efficiency revolution.
Core technologies cannot be bought; they must be developed independently.
True progress comes from balancing economic growth with ecological responsibility.
一个人的心是只服从他自己的,你想束缚它,结果却释放了它;如果让它自由自在的话,你反而把它束缚得紧紧的了。
我们只有语言。