Free vaccines are more valuable than expensive treatments, yet harder to promote.
The database is the foundation of all applications.
我想激励人们相信自己，并突破自己的极限。
The most important thing in mathematics is to ask the right questions.
家庭的纽带比任何挑战都更强大。
The most successful people are those who are good at plan B.
I think the best way to tell a story is to show it, not tell it.