The quantum Fourier transform is the key to the exponential speedup in Shor's algorithm.
量子傅里叶变换是Shor算法中指数级加速的关键。
相对论是一种原理性理论，而非构造性理论。
I don't think about the past. The only thing that matters is the future.
La revolución es como la bicicleta, si no avanzas se cae.
The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life. You can turn over a new leaf every hour if you choose.
我不是为了纪录而打球。我打网球是因为我爱它。
