物理学中的每一个发现都打开了一扇通向新奥秘的门，这就是科学的美丽之处。

The Vietnamese people deeply love independence, freedom, and peace. But in the face of a threat to their country's independence and freedom, the Vietnamese people would rather sacrifice everything, not afraid to lose their lives, to defend the independence and freedom of their homeland.

爱一个人不需要理由。

梦想不会自己实现，除非你付诸行动。