Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.

The new leader is a facilitator, not an order giver.

让孩子留在家里最好的方法是让家庭氛围愉快——并且把轮胎的气放掉。

To be African is to be modern - this is the central paradox we must embrace.

革命并不容易，但它是可能的。

我不想出名，我只想自由。