The quantum Fourier transform is the key to the exponential speedup in Shor's algorithm.

【释义】一尺长的木头必定会有节疤，一寸大的美玉也难免会有瑕疵。

You have to be willing to fail, to be wrong, to look foolish.

模糊逻辑的本质在于，一切都是程度的问题。