国家的力量在于其人民的福祉。
The strength of a state is in the well-being of its people.
The sun is our most powerful tool in Africa. We must learn to work with it, not against it.
自信不是"他们会喜欢我"，而是"他们不喜欢我也没关系"。
宇宙不过是大爆炸之光锥的内部。
