The language of mathematics is the language of the universe, and by learning it, we can understand the cosmos.
The poor often have to make more complex financial decisions than the rich.
我们需要找到方法使能源储存更高效和可持续。
Can a man still be brave if he’s afraid. That is the only time a man can be brave.
Passion is universal humanity. Without it religion, history, romance and art would be useless.