Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.

The development of quantum algorithms requires a deep understanding of both quantum mechanics and computer science.

The problem is not that people are taxed too little, the problem is that government spends too much.

Every breakthrough is at first laughable and ridiculous. In fact if it did not start out laughable and ridiculous， it is not a breakthrough.